TY - GEN AU - Cheng,Linan AU - Che,Yan AU - Gülmezoglu,A Metin TI - Interventions for emergency contraception SN - 1469-493X PY - 2012///0926 KW - Contraception, Postcoital KW - methods KW - Contraceptives, Postcoital KW - administration & dosage KW - Drug Administration Schedule KW - Female KW - Humans KW - Levonorgestrel KW - Mifepristone KW - Norpregnadienes KW - Randomized Controlled Trials as Topic N1 - Publication Type: Journal Article; Meta-Analysis; Research Support, Non-U.S. Gov't; Review; Systematic Review UR - https://doi.org/10.1002/14651858.CD001324.pub4 ER -