发文地区与机构
近年国家 / 地区发文量统计
| 国家 / 地区 | 发文量 |
|---|---|
| USA | 15962 |
| Canada | 1405 |
| England | 1373 |
| Japan | 915 |
| CHINA MAINLAND | 856 |
| GERMANY (FED REP GER) | 754 |
| Australia | 597 |
| France | 536 |
| Brazil | 441 |
| Italy | 434 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| UNIVERSITY OF CALIFORNIA SYSTEM | 1246 |
| HARVARD UNIVERSITY | 1073 |
| PENNSYLVANIA COMMONWEALTH SYSTEM OF HIG... | 1014 |
| UNIVERSITY OF COLORADO SYSTEM | 668 |
| BRIGHAM & WOMEN'S HOSPITAL | 585 |
| UNIVERSITY OF PENNSYLVANIA | 580 |
| US DEPARTMENT OF VETERANS AFFAIRS | 560 |
| UNIVERSITY OF MICHIGAN SYSTEM | 559 |
| JOHNS HOPKINS UNIVERSITY | 534 |
| NATIONAL JEWISH HEALTH | 501 |