정의. (2010, December). 다운증후군의 산전 선별검사. Obstetrics & gynecology science, 1041-1046.
Chicago Style (17th ed.) Citation정의. "다운증후군의 산전 선별검사." Obstetrics & Gynecology Science Dec. 2010: 1041-1046.
MLA (9th ed.) Citation정의. "다운증후군의 산전 선별검사." Obstetrics & Gynecology Science, Dec. 2010, pp. 1041-1046.
Warning: These citations may not always be 100% accurate.