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   285篇
  免费   15篇
  国内免费   7篇
耳鼻咽喉   1篇
儿科学   41篇
妇产科学   10篇
基础医学   39篇
口腔科学   6篇
临床医学   27篇
内科学   49篇
皮肤病学   5篇
神经病学   7篇
特种医学   48篇
外国民族医学   5篇
外科学   3篇
综合类   1篇
预防医学   25篇
眼科学   4篇
药学   18篇
肿瘤学   18篇
  2022年   4篇
  2021年   5篇
  2020年   2篇
  2019年   4篇
  2018年   2篇
  2017年   3篇
  2016年   4篇
  2015年   5篇
  2014年   6篇
  2013年   7篇
  2012年   7篇
  2011年   7篇
  2010年   12篇
  2009年   10篇
  2008年   11篇
  2007年   15篇
  2006年   8篇
  2005年   8篇
  2004年   9篇
  2003年   6篇
  2002年   5篇
  2001年   12篇
  2000年   7篇
  1999年   10篇
  1998年   18篇
  1997年   14篇
  1996年   14篇
  1995年   8篇
  1994年   5篇
  1993年   8篇
  1992年   7篇
  1991年   2篇
  1990年   5篇
  1989年   4篇
  1988年   5篇
  1987年   3篇
  1986年   4篇
  1985年   8篇
  1984年   7篇
  1983年   2篇
  1982年   1篇
  1981年   2篇
  1980年   4篇
  1979年   1篇
  1978年   1篇
  1977年   6篇
  1976年   6篇
  1975年   2篇
  1974年   1篇
排序方式: 共有307条查询结果,搜索用时 0 毫秒
81.
82.
83.
84.
85.
IntroductionDiabetes mellitus is a systemic disease and has a negative effect on the cardiovascular system. This paper aimed to present a retrospective analysis of morbidity associated with heart failure in subgroups of patients with and without diabetes in Poland in 2012.Material and methodsData from the National Health Fund were used for the study. In general, 656,937 patients with heart failure, including 281,538 males and 375,354 females, were studied. In this population, additionally, 201,043 patients with heart failure (main diagnosis) and diabetes were studied, including 82,117 males and 118,926 females.ResultsThe mean index of morbidity associated with heart failure in the whole subpopulation of diabetes patients was 9.03%; 8.42% for males and 9.50% for females. Morbidity associated with heart failure in the population of patients diagnosed with diabetes in Poland in 2012 was seven times higher compared to morbidity associated with heart failure in non-diabetes patients. Morbidity associated with heart failure in females was significantly higher compared to morbidity in males in the whole population, in both the subpopulations of patients with and without diabetes.ConclusionsDiabetes mellitus significantly increases risk of heart failure in both women and men. The risk is significantly high after the age of 60 years and higher in females.  相似文献   
86.
The agents of human febrile illness can vary by region and country suggesting that diagnosis, treatment, and control programs need to be based on a methodical evaluation of area-specific etiologies. From December 2006 to December 2009, 9,997 individuals presenting with acute febrile illness at nine health care clinics in south-central Cambodia were enrolled in a study to elucidate the etiologies. Upon enrollment, respiratory specimens, whole blood, and serum were collected. Testing was performed for viral, bacterial, and parasitic pathogens. Etiologies were identified in 38.0% of patients. Influenza was the most frequent pathogen, followed by dengue, malaria, and bacterial pathogens isolated from blood culture. In addition, 3.5% of enrolled patients were infected with more than one pathogen. Our data provide the first systematic assessment of the etiologies of acute febrile illness in south-central Cambodia. Data from syndromic-based surveillance studies can help guide public health responses in developing nations.  相似文献   
87.
We report a case of a 16-year old male patient who sustained a poisonous bite from a mapepire balsain snake on the dorsum of his left hand. The subject presented within one hour of envenomation and subsequently developed clinical features of acute compartment syndrome in the involved upper limb. Early diagnosis and emergency fasciotomy effectively treated his condition. Aggressive physiotherapy coupled with this ensured best functional outcome.  相似文献   
88.
Non-traumatic massive subdural haematoma is a rare condition in newborn infants and is usually associated with hereditary coagulation disorders or congential vascular malformation. Its occurrence in preterm very low birthweight infants secondary to systemic bacterial infection has not been reported. We describe two extremely preterm neonates who developed massive subdural haematoma as a result of Gram-negative septicaemia and disseminated intravascular coagulation. Both infants suffered severe parenchymal cerebral injury and hydrocephalus. Clinicians should be aware of this unusual and catastrophic complication if a very low birthweight infant with severe sepsis and disseminated intravascular coagulation suddenly deteriorates despite successful treatment with antibiotics. Radiological imaging by cranial ultrasound or computed tomography scanning should be routinely considered in all such infants for the detection of intracranial bleeding.  相似文献   
89.
The serious form of alpha-1-antitrypsin deficiency (ATD) Pi ZZ strongly predisposes the individual for pulmonary emphysema and premature death in adulthood, especially if exposed to tobacco smoking. General screening of all new-born children was conducted in Sweden during 1972–1974, the major purpose being to reduce exposure of the child to parental smoking while growing up and to prevent the child from starting to smoke. Sixty-one children with ATD neonatally identified through mass-screening, and their families, have been compared with a demographically matched control group regarding smoking habits, as studied through interviews and questionnaires on two occasions. When the children were 5–7 years old, the smoking rates among parents of the ATD children and especially among the ATD fathers exceeded smoking rates for controls. Thirteen years later no differences in parental smoking were found between the groups. At 18–20 years of age the ATD children reported smoking significantly less than the control children (p < 0.05). From the perspective of prevention, the goal of the neonatal screening to reduce the smoking rates among the parents of the ATD children was not attained, while it was achieved among the ATD children. The results indicate that a screening program with early detection of ATD effectively prevents adolescent children from starting to smoke. From ethical, medical and psychological points of view, a voluntary screening program for ATD in pre-adolescence is recommended.  相似文献   
90.
Background No clinical trial of efalizumab has been conducted in Asia. Objective To determine the efficacy and safety of efalizumab in Taiwanese patients with psoriasis. Methods This is an open‐label, single‐arm pilot study conducted at two centres. Patients were given 1 mg/kg efalizumab subcutaneously once a week for 12 weeks and were then followed up for a further 12 weeks. Results A total of 49 patients participated in the study. The median improvement in Psoriasis Area and Severity Index (PASI) during the treatment period was 19.6%, and a ≥ 50% improvement in PASI was seen in 20.4%. Rebound was seen in 17.8% of patients, and anti‐efalizumab antibodies were detected in 41% of patients. The most frequent adverse events were headache (34.7%), arthralgia/arthritis (28.6%), psoriasis events (new form/exacerbation; 26.5%) and pruritus (22.4%). Conclusions This small pilot study indicated that efalizumab was effective in improving psoriasis symptoms in Taiwanese patients, with no new safety issues identified.  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