A study on use-effectiveness and extended use-effectiveness of contraceptive methods based on a program directed towards women having taken oral contraceptives in Seoul, Korea.  [electronic resource] 

 -  Ren kou xue kan / Kuo Li Tai-Wan Ta Hsueh  1971 
 - 85-107 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraception<br/>Contraceptives, Oral<br/>Evaluation Studies as Topic<br/>Family Planning Services<br/>Intrauterine Devices<br/>Korea<br/>Patient Dropouts