Effect of PAFP intervention on immediately use of contraceptive methods after an abortion in china:a cluster randomized controlled trial
1School of Public Health ,Fudan University, Shanghai, China.
2Chinese Society for Family Planning - China Medical Association, Beijing, China.
3National Research Institute for Family Planning, Beijing, China.
4The second affiliated hospital of Chongqing Medical University, Chongqing, China.
5Department of International Public Health, Liverpool School of Tropical Medicine, Liverpool, United Kingdom.
6International Centre for Reproductive Health, University of Ghent, Ghent, Belgium.
7Shanghai Institute of Planned parenthood research, Shanghai, China.