%T Condom breakage during commercial sex in Chiang Mai, Thailand %A Sungwal Rugpao %I Faculty of Medicine, Chiang Mai University %K Chiang Mai University -- Research %K Faculty of Medicine -- Research %K Prostitution -- Chiang Mai %K Contraceptive devices, Male -- Utilization -- Chiang Mai %D 1993 %V Restricted Public = สามารถใช้งานได้เฉพาะผู้ใช้ของมหาวิทยาลัยเชียงใหม่ (l %V og in CMU IT Account) %0 CMU e-Research