作者: Lothar A. J. Heinemann , Edeltraut Garbe
DOI: 10.1007/978-3-642-86696-8_5
关键词:
摘要: Methods of steroid hormone contraception have been available since the 1960s and are now thought to be used by more than 100 million women worldwide [I]. The overwhelming majority use contraceptives in their oral application. One can estimate that, currently, 93 users combined (OCs).