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 | 160 |
| CHINA MAINLAND | 75 |
| Brazil | 32 |
| Canada | 22 |
| GERMANY (FED REP GER) | 22 |
| South Korea | 20 |
| England | 18 |
| France | 18 |
| Netherlands | 17 |
| Italy | 15 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| UNIVERSITY OF CALIFORNIA SYSTEM | 15 |
| PUBLIC HEALTH INSTITUTE | 13 |
| UNITED STATES ENVIRONMENTAL PROTECTION ... | 13 |
| UNIVERSITY OF ILLINOIS SYSTEM | 12 |
| UNIVERSIDADE ESTADUAL PAULISTA | 11 |
| UNIVERSITY OF NORTH CAROLINA | 11 |
| HARVARD UNIVERSITY | 9 |
| EMORY UNIVERSITY | 8 |
| CHARLES RIVER | 7 |
| MCMASTER UNIVERSITY | 7 |