NCT01006317
- Conditions
- Behavior, Health Behavior, Maternal Health, +2 more
- Locations
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- Anhui Medical University Hefei, Anhui, China
- Chongqing Medical University, No.1 Yurzhong, Chongqing Municipality, China
- Xian Jiaotong University, No.28 Xi'an, Shaanxi, China