首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   3842篇
  免费   203篇
  国内免费   39篇
耳鼻咽喉   40篇
儿科学   105篇
妇产科学   93篇
基础医学   279篇
口腔科学   65篇
临床医学   319篇
内科学   491篇
皮肤病学   44篇
神经病学   353篇
特种医学   85篇
外科学   358篇
综合类   447篇
一般理论   1篇
预防医学   723篇
眼科学   23篇
药学   313篇
  2篇
中国医学   108篇
肿瘤学   235篇
  2023年   79篇
  2022年   146篇
  2021年   168篇
  2020年   168篇
  2019年   176篇
  2018年   179篇
  2017年   133篇
  2016年   178篇
  2015年   136篇
  2014年   319篇
  2013年   287篇
  2012年   245篇
  2011年   267篇
  2010年   243篇
  2009年   171篇
  2008年   183篇
  2007年   165篇
  2006年   116篇
  2005年   91篇
  2004年   65篇
  2003年   74篇
  2002年   43篇
  2001年   38篇
  2000年   36篇
  1999年   24篇
  1998年   28篇
  1997年   20篇
  1996年   22篇
  1995年   26篇
  1994年   34篇
  1993年   14篇
  1992年   20篇
  1991年   16篇
  1990年   11篇
  1989年   11篇
  1988年   9篇
  1987年   7篇
  1986年   8篇
  1985年   15篇
  1984年   13篇
  1983年   14篇
  1982年   13篇
  1981年   14篇
  1980年   10篇
  1979年   11篇
  1978年   9篇
  1977年   4篇
  1976年   8篇
  1975年   4篇
  1973年   7篇
排序方式: 共有4084条查询结果,搜索用时 15 毫秒
1.
BackgroundThe pharmacist career is constantly adapting to societal and health care needs. The past decade has seen a growing demand for curricular development to align graduation outcome with workforce competencies.ObjectiveThis study aims to identify expectations for both didactic and experiential components of a new curriculum based on young pharmacist practitioner views.MethodsAn online survey questionnaire was used in 2019–2020 to evaluate the pharmacy curriculum to detect indicators or key areas which require comprehensive reform.ResultsThe predominant majority of the 205 study participants recommended reduction in credit hours for Natural Sciences (78.54%) and a similar increase in the Theoretical and Practical Expertise Module (77.9%). Pharmaceutical care, clinical therapeutics and clinical pharmacy competencies should also be more highlighted in the program. Findings indicate the current training does not prepare for problem-solving and daily workplace challenges (72.7%) or for extended pharmacist skills and competencies (71.71%). Results show inconsistency in practical training experience, as all respondents participated in practical training for drug manufacturing and analysis but 61.0% reported no hands-on skills training in a hospital-clinical simulation setting. Indications for practitioner involvement into the natural sciences and biomedical subjects (86.3%) confirm the obvious need for more practice-oriented education.ConclusionsEducational reforms seem to be inevitable to achieve measurable improvement in professional practice and skills competency. The country specific demand for a needs-based pharmacy education reflects global trends but may also provide useful insights for individual transitions to transform education through practice and improve practice through education.  相似文献   
2.
背景 上海市正逐步将家庭医生签约服务拓展至楼宇功能社区,目前中青年楼宇人群的服务需求满足状况尚不知晓。研究中青年楼宇人群的家庭医生签约服务需求满足状况,分析其影响因素,可以为制定和调整家庭医生楼宇服务相关政策提供参考。 目的 探讨中青年楼宇人群的家庭医生签约服务需求满足状况,并分析其影响因素。 方法 于2019年12月至2020年12月,在上海市虹口区、浦东新区、静安区采用典型抽样法抽取楼宇,在选中楼宇内采用整群随机抽样法抽取中青年人群(18~59岁)开展问卷调查,共回收有效问卷2 272份,本研究以其中有家庭医生服务利用经历的1 137例受试者为研究对象。涉及的主要调查内容为受试者的社会人口和经济学特征、健康状况、对家庭医生签约服务的了解度及家庭医生签约服务需求满足状况(包括基本服务需求、个性化服务需求两方面,均采用Likert 5级评分法)。采用多元有序Logistic回归分析中青年楼宇人群家庭医生签约服务需求满足状况的影响因素。 结果 39.61%(425/1 073)的受试者表示家庭医生签约服务比较满足/完全满足其基本服务需求,39.01%(419/1 074)的受试者表示家庭医生签约服务比较满足/完全满足其个性化服务需求。多元有序Logistic回归分析结果显示:户籍、职业类别、年收入、自评健康状况、对家庭医生"1+1+1"签约服务了解度、对家庭医生信任度、对家庭医生服务能力评价是中青年楼宇人群基本服务需求满足状况的影响因素(P<0.05);性别、年收入、患慢性病情况、对家庭医生"1+1+1"签约服务了解度、对家庭医生团队组成了解度、对家庭医生服务能力评价是中青年楼宇人群个性化服务需求满足状况的影响因素(P<0.05)。 结论 约40%的楼宇人群认为家庭医生签约服务能够满足其基本服务需求/个性化服务需求,主要影响因素可概括为楼宇人群的社会经济状况、健康状况、对家庭医生签约服务的认知度、家庭医生的服务能力4个方面。建议加强对家庭医生签约服务的宣传,并针对楼宇人群特点和差异化需求,为其定制个性化的服务方案;同时,着力提升家庭医生服务能力,丰富签约服务内涵。  相似文献   
3.
《Vaccine》2022,40(41):5997-6000
Coronavirus disease 2019 (COVID-19) vaccine administration started in February 2021 in Japan. As of December 2021, approximately 75% of the population aged ≥12 years had received two doses of vaccine. We conducted a study to investigate vasovagal reactions (VVR) after COVID-19 vaccination using data on adverse events following immunization. The crude reporting rate of VVR (cases/1,000,000 doses) after vaccination was 9.6 in all age groups combined, and was more frequent in the younger age groups: 28.6 and 37.2 in individuals aged 10–19 years and 20–29 years, respectively. In individuals aged 10–29 years, the rate was similar in males and females (33.0 and 34.2, respectively, p = 0.53); but was higher after dose 1 than after dose 2 (57.4 and 8.8, respectively, p < 0.001). Based on these results, caution needs to be exercised when vaccinating adolescents and young adults, especially with dose 1 of COVID-19 vaccines.  相似文献   
4.
Background and aimsThe extent to which dietary patterns influence the risk of abnormal blood lipids throughout young adulthood remains unclear. The aim was to investigate whether early young adulthood dietary patterns predict the risk of abnormal blood lipids during later young adulthood.Methods and resultsWe used data from a long running birth cohort study in Australia. Western dietary pattern rich in meats, processed foods and high-fat dairy products and prudent pattern rich in fruit, vegetables, fish, nuts, whole grains and low-fat dairy products were derived using principal component analysis at the 21-year follow-up from dietary data obtained using a food frequency questionnaire. After 9-years, fasting blood samples of all participants were collected and their total, low-density lipoprotein (LDL) and high-density lipoprotein (HDL) cholesterols and triglyceride (TG) levels were measured. Abnormal blood lipids were based on clinical cut-offs for total, LDL and HDL cholesterols, and TG and relative distributions for total:HDL and TG:HDL cholesterols ratios. Log-binomial models were used to estimate risk of each outcome in relation to dietary patterns. Greater adherence to the Western pattern predicted increased risks of high LDL (RR: 1.47; 95%CI: 1.06, 2.03) and TG (1.90; 1.25, 2.86), and high ratios of total:HDL (1.48; 1.00, 2.19) and TG:HDL (1.78; 1.18, 2.70) cholesterols in fully adjusted models. Conversely, a prudent pattern predicted reduced risks of low HDL (0.58; 0.42, 0.78) and high TG (0.66; 0.47, 0.92) and high total:HDL (0.71; 0.51, 0.98) and TG:HDL (0.61; 0.45, 0.84) cholesterols ratios.ConclusionThis is the first prospective study to show greater adherence to unhealthy Western diet predicted increased risks of abnormal blood lipids, whereas healthy prudent diet predicted lower such risks in young adults. Addressing diets in early course may improve cardiovascular health of young adults.  相似文献   
5.
ObjectiveIncreasing numbers of youths are facing a relative’s cancer. In this context, some are required to provide significant support and are called young carers (YCs). However, little is known about how these youth are viewed and supported by health professionals. The aim of this study was to investigate the knowledge, attitudes, and practices of oncology healthcare professionals regarding YCs.MethodsThirty-one oncology professionals working in France (adult and pediatric departments and homecare services) participated in semi-structured interviews.ResultsThe results indicated that almost all professionals had already met a YC and could identify several situations in their professional context. Their knowledge of YCs appeared to influence their attitudes and practices. They perceived this situation in a rather superficial way when their discourse and ideas were explored in-depth. They mentioned some ideas for improving support for YCs, but also many barriers.ConclusionThe results highlight a moderate level of awareness. Thus, it is necessary to enhance providers’ awareness and knowledge of YCs.Practice implicationsAwareness campaigns and training programs need to be developed for oncology healthcare professionals to help them better identify, understand, and support YCs and their families. This type of action would positively impact patient care.  相似文献   
6.
ObjectiveTo explore the similarities and differences in the needs of young adults with T1D during life transitions.MethodsData obtained for this paper was based on three qualitative studies carried out in Denmark and Australia. In total, 33 Individual interviews and two focus groups (n = 46) were conducted. Data was analysed using thematic analysis.ResultsThe most pertinent themes related to the importance of support from peers with diabetes and healthcare professionals to help young adults adjust to independent living. The main difference experienced by Australian and Danish young adults related to the willingness and barriers in clinical attendance during this transitional period.ConclusionsClinical care for young adults with diabetes can be better adapted to support this population as they transition through significant milestones by engagement on the young adults' terms and encouraging young adults to seek out peer support. It is vital that clinical care is tailored to support them in order to ensure the best transition into adulthood with diabetes.Practice implicationsClinicians need to adopt a person-centred approach when engaging with young adults with diabetes. Considerations need to be made around external factors related to life events in young adulthood that may influence diabetes care.  相似文献   
7.
8.

Objective

The aim of this study was to determine the alterations of walking energy expenditure and plantar pressure distribution in young adults with patellofemoral pain syndrome (PFPS).

Methods

Thirty five individuals (mean age: 21.31 ± 1.76) with PFPS constituted the patient group and forty healthy participants (mean age: 21.40 ± 2.11) the control group. Preferred walking speeds (PWS) were determined on the over ground. Individuals walked on a treadmill for 7 min at their PWS and 30% above PWS and oxygen consumption was recorded via a metabolic analyzer. Net oxygen consumption was calculated for each walking trial. Borg scale was applied to assess perceived exertion during walking trial. Plantar pressure distributions were measured by a pedobarography device. Plantar area was subdivided into six zones to evaluate the dynamic plantar pressure data.

Results

The mean PWS of PFPS and control groups were 4.69 ± 0.51 and 4.52 ± 0.60 km/h, respectively (p > .09). No significant difference was observed in energy expenditure during walking at PWS between 2 groups while oxygen consumption during 30% above PWS was higher in patient group (18.72 ± 3.75 and 16.64 ± 3.27) (p = .007). Net oxygen consumption was also found to be higher in PFPS group (15.12 ± 3.62 and 13.04 ± 3.24) (p = .005). The mean Borg scores were significantly higher in PFPS group at each walking trials (p < .001). No statistically significant difference was found between weight distribution (%) of symptomatic and nonsymptomatic extremity (50.45 ± 3.92% and 49.56 ± 3.93%, respectively) (p = .509). Dynamic pedobarography parameters were not different between 2 groups, and also between symptomatic and nonsymptomatic extremities (p > .05).

Conclusion

Although, rate of perceived exertion and energy expenditure during walking at 30% above PWS are affected negatively in young adults with PFPS, we may speculate that energy consumption and plantar pressure distribution can be compensated by a physiologic adaptation mechanism during walking at PWS.

Level of evidence

Level III, Therapeutic Study.  相似文献   
9.
10.
The objective of this quality improvement project was to increase human papillomavirus (HPV) vaccine initiation rates among males aged 11 to 21 years old. A multipronged strategy was implemented at a pediatric practice, including an electronic medical record prompt, educational presentation, and monthly e-mail updates to providers. Deidentified HPV vaccine initiation rate data were collected, and a paired 2-sample t test evaluated differences in prepost vaccine initiation rates. HPV vaccine initiation rates increased by 6.5% during the project period. The medical record prompt was identified as most effective by 75% of participating providers. Small gains can be made to improve HPV vaccine initiation rates among adolescent males.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号