期刊论文详细信息
| Vitamin A supplementation and maternal mortality | |
| Editorial Material | |
| 关键词: CLUSTER-RANDOMIZED-TRIAL; BETA-CAROTENE; DOUBLE-BLIND; PREGNANCY; NEPAL; | |
| DOI : 10.1016/S0140-6736(10)60443-6 | |
| 来源: SCIE | |
【 授权许可】
Free
| Vitamin A supplementation and maternal mortality | |
| Editorial Material | |
| 关键词: CLUSTER-RANDOMIZED-TRIAL; BETA-CAROTENE; DOUBLE-BLIND; PREGNANCY; NEPAL; | |
| DOI : 10.1016/S0140-6736(10)60443-6 | |
| 来源: SCIE | |
Free