发文分析
近年国家/地区发文量统计
| 国家/地区 | 数量 |
|---|---|
| USA | 1389 |
| Canada | 123 |
| England | 52 |
| CHINA MAINLAND | 45 |
| Australia | 42 |
| Netherlands | 34 |
| France | 29 |
| Italy | 20 |
| Spain | 16 |
| Denmark | 14 |
近年机构发文量统计
| 机构 | 数量 |
|---|---|
| UNIVERSITY OF CALIFORNIA SYSTEM | 316 |
| HARVARD UNIVERSITY | 271 |
| US DEPARTMENT OF VETERANS AFFAIRS | 137 |
| BRIGHAM & WOMEN'S HOSPITAL | 131 |
| JOHNS HOPKINS UNIVERSITY | 94 |
| YALE UNIVERSITY | 92 |
| UNIVERSITY OF TORONTO | 77 |
| MASSACHUSETTS GENERAL HOSPITAL | 70 |
| UNIVERSITY OF MICHIGAN SYSTEM | 68 |
| UNIVERSITY OF TEXAS SYSTEM | 64 |
近年被他刊引用数据
| 期刊名称 | 引用次数 |
|---|---|
| JAMA INTERN MED | 606 |
| BMJ OPEN | 285 |
| JAMA NETW OPEN | 276 |
| J GEN INTERN MED | 257 |
| PLOS ONE | 201 |
| J AM GERIATR SOC | 170 |
| BMJ-BRIT MED J | 148 |
| ANN INTERN MED | 137 |
| NUTRIENTS | 132 |
| JAMA-J AM MED ASSOC | 119 |