作者: Helena von Hertzen , Gilda Piaggio , Alexandre Peregoudov , Juhong Ding , Junling Chen
DOI: 10.1016/S0140-6736(02)11767-3
关键词:
摘要: … 72 h of coitus were 2·2% and 1·8%, respectively (1·24, 0·60–2·… same trend in our previous trial with levonorgestrel (2·0% vs 0·8… H von Hertzen and G Piaggio wrote the paper with inputs …