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 | 57 |
| Belgium | 2 |
| Australia | 1 |
| Canada | 1 |
| England | 1 |
| Hungary | 1 |
| Netherlands | 1 |
| Scotland | 1 |
| Somalia | 1 |
| Sweden | 1 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| UNIVERSITY OF CALIFORNIA SYSTEM | 13 |
| UNIVERSITY OF CHICAGO | 6 |
| UNIVERSITY OF MICHIGAN SYSTEM | 5 |
| HARVARD UNIVERSITY | 4 |
| BOWLING GREEN STATE UNIVERSITY | 3 |
| GUTTMACHER INST | 3 |
| OHIO STATE UNIVERSITY | 3 |
| UNIVERSITY OF COLORADO SYSTEM | 3 |
| UNIVERSITY OF TEXAS SYSTEM | 3 |
| UNIVERSITY OF WISCONSIN SYSTEM | 3 |