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 | 1609 |
| Canada | 194 |
| England | 90 |
| Australia | 58 |
| Netherlands | 54 |
| France | 50 |
| Italy | 50 |
| Spain | 48 |
| GERMANY (FED REP GER) | 40 |
| CHINA MAINLAND | 36 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| HARVARD UNIVERSITY | 258 |
| US DEPARTMENT OF VETERANS AFFAIRS | 158 |
| UNIVERSITY OF CALIFORNIA SYSTEM | 145 |
| JOHNS HOPKINS UNIVERSITY | 102 |
| BRIGHAM & WOMEN'S HOSPITAL | 87 |
| UNIVERSITY OF MICHIGAN SYSTEM | 82 |
| MASSACHUSETTS GENERAL HOSPITAL | 74 |
| STANFORD UNIVERSITY | 68 |
| AMERICAN COLLEGE OF PHYSICIANS | 67 |
| MCMASTER UNIVERSITY | 67 |