Young Ho YANG ; Young Wook WYN ; Yong Won PARK ; Sei Kwang KIM ; Hye Ree SUNG ; Jae Sung CHO ; Chan Ho SONG
Korean Journal of Perinatology 1993;4(1):15-22
No abstract available. Amniocentesis* ; Chorion* ; Chorionic Villi Sampling* ; Chorionic Villi* ; Female ; Humans ; Pregnancy ; Pregnant Women*