全文获取类型
收费全文 | 14486篇 |
免费 | 692篇 |
国内免费 | 88篇 |
专业分类
耳鼻咽喉 | 284篇 |
儿科学 | 612篇 |
妇产科学 | 2930篇 |
基础医学 | 897篇 |
口腔科学 | 351篇 |
临床医学 | 1500篇 |
内科学 | 2840篇 |
皮肤病学 | 150篇 |
神经病学 | 687篇 |
特种医学 | 309篇 |
外科学 | 1459篇 |
综合类 | 543篇 |
一般理论 | 6篇 |
预防医学 | 1162篇 |
眼科学 | 170篇 |
药学 | 583篇 |
中国医学 | 176篇 |
肿瘤学 | 607篇 |
出版年
2021年 | 143篇 |
2020年 | 107篇 |
2019年 | 132篇 |
2018年 | 208篇 |
2017年 | 167篇 |
2016年 | 254篇 |
2015年 | 210篇 |
2014年 | 294篇 |
2013年 | 382篇 |
2012年 | 623篇 |
2011年 | 693篇 |
2010年 | 382篇 |
2009年 | 363篇 |
2008年 | 570篇 |
2007年 | 597篇 |
2006年 | 584篇 |
2005年 | 658篇 |
2004年 | 772篇 |
2003年 | 711篇 |
2002年 | 608篇 |
2001年 | 497篇 |
2000年 | 337篇 |
1999年 | 395篇 |
1998年 | 357篇 |
1997年 | 289篇 |
1996年 | 281篇 |
1995年 | 189篇 |
1994年 | 220篇 |
1993年 | 167篇 |
1992年 | 260篇 |
1991年 | 275篇 |
1990年 | 169篇 |
1989年 | 213篇 |
1988年 | 209篇 |
1987年 | 150篇 |
1986年 | 199篇 |
1985年 | 203篇 |
1984年 | 133篇 |
1983年 | 140篇 |
1982年 | 132篇 |
1981年 | 122篇 |
1980年 | 116篇 |
1979年 | 133篇 |
1978年 | 117篇 |
1977年 | 102篇 |
1976年 | 108篇 |
1975年 | 121篇 |
1974年 | 115篇 |
1973年 | 138篇 |
1970年 | 99篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
91.
92.
B. S. BOLGER Senior House Officer B. V. LEWIS Consultant 《BJOG : an international journal of obstetrics and gynaecology》1988,95(11):1117-1119
Summary. Colposcopy was performed in 91 women who had cervical cytology suggesting mild dyskaryosis or showing koilocytosis, all previous cytology having been normal. The final histological diagnosis was C1N III in 22%, CINII in 18%, CINI in 31%, koilocytosis alone in 14% and no abnormality in 15%. These results indicate that even with mild cytological atypia, a high proportion of patients will have more advanced disease when colposcopy-directed punch biopsy is performed. 相似文献
93.
A. B. PEATTIE Lecturer in Gynaecology Gynaecological Urology S. PLEVNIK Bioengineer S. L. STANTON Honorary Senior Lecturer Consultant Gynaecologist 《BJOG : an international journal of obstetrics and gynaecology》1988,95(10):1049-1053
Summary. A set of weighted vaginal cones designed to exercise the pelvic floor muscles was used by a group of 39 premenopausal patients with genuine stress incontinence who were awaiting corrective surgery. The effectiveness of the exercises in reducing urinary loss was assessed with a standard urine pad test before and after 1 month of training. Of the 30 women who completed 1 month of the exercises 70% felt they were improved or cured and 90% found it an acceptable method of treatment. Of the 30 women only 11 (37%) opted for surgery after training. There was a highly significant correlation (P<0·001, rs = -0·21) between decreased urine loss and increase in retained cone weight. 相似文献
94.
95.
When tympanosclerosis involves the tympanic membrane or the lateral ossicles, treatment is usually straightforward and uncomplicated. When the stapes is involved, therapy is more controversial and may be more difficult. We report our results in 154 patients who underwent different surgical procedures for tympanosclerosis of the stapes. Followup was up to 10 years. Pure-tone average threshold was significantly improved (p < 0.05) in patients who underwent mobilization procedures or stapedectomy for definitive treatment. The air-bone gap was less than 20 dB at 6 months postoperative in 72% of patients and less than 30 dB in 90%. At 6 months, 2 years, and 5 years there were no statistically significant differences in hearing results between stapedectomy and mobilization patients, some of whom were followed for up to 10 years. No patient had a profound hearing loss after surgery. Surgical treatment for tympanosclerosis of the stapes is a safe procedure, with hearing results similar to those of surgery for other chronic ear diseases involving the ossicular chain. 相似文献
96.
米非司酮治疗子宫肌瘤的剂量探讨 总被引:9,自引:0,他引:9
目的:探讨米非司酮治疗子宫肌瘤的剂量。方法:将81例确诊为子宫肌瘤的患者随机分成3组,Ⅰ组口服米非司酮25mg/d×3个月;Ⅱ组口服米非司酮12.5mg/d×3个月;Ⅲ组口服米非司酮6.25mg/d×3个月。结果:用药过程中3组肌瘤均有不同程度的缩小,贫血得以纠正,围绝经期可致绝经。结论:12.5mg/d剂量米非司酮连服3个月为一疗程的治疗方案,副反应轻,疗效与25mg/d组无显著差异,费用可以减少50%。 相似文献
97.
98.
99.
100.
Solish Nowell MD Benohanian Antranik MD Jonathan W. Kowalski PharmD MS on Behalf of the Canadian Dermatology Study Group on Health-Related Quality of Life in Primary Axillary Hyperhidrosis 《Dermatologic surgery》2005,31(4):405-413
BACKGROUND: Patients with primary axillary hyperhidrosis experience substantial functional impairment and reduced health-related quality of life (HRQOL). Few studies have comprehensively evaluated the effects of botulinum toxin type A (BoNT-A) on these symptoms. OBJECTIVE: To prospectively assess the effects of BoNT-A on functional impairment associated with primary axillary hyperhidrosis. METHODS: Patients treated with BoNT-A 50 U per axilla at baseline were assessed 4 and 12 weeks later. Outcome measures included functional impairment as assessed by the Hyperhidrosis Disease Severity Scale and the Hyperhidrosis Impact Questionnaire and dermatology-specific HRQOL as assessed by the Dermatology Life Quality Index. RESULTS: At weeks 4 and 12 after BoNT-A treatment, 85% and 90% of patients achieved the a priori definition of treatment responder. Patients reported less occupational and emotional impairment, spent less time managing their hyperhidrosis, and had fewer difficulties in social situations. Adverse events were uncommon (5.5%), were mild, and did not require treatment. At study end, 53% of patients reported no dermatology-specific HRQOL impairment and 90% were satisfied with treatment. CONCLUSIONS: Significant, meaningful, rapid, and durable reductions in disease severity and functional impairment, as well as improvements in HRQOL, were seen following BoNT-A treatment. BoNT-A was safe and well tolerated, producing high levels of patient satisfaction. 相似文献