(2020). Screening for Fetal Chromosomal Abnormalities: ACOG Practice Bulletin, Number 226. Obstetrics and gynecology (New York. 1953), 136(4), e48. https://doi.org/10.1097/AOG.0000000000004084
Chicago-Zitierstil (17. Ausg.)"Screening for Fetal Chromosomal Abnormalities: ACOG Practice Bulletin, Number 226." Obstetrics and Gynecology (New York. 1953) 136, no. 4 (2020): e48. https://doi.org/10.1097/AOG.0000000000004084.
MLA-Zitierstil (9. Ausg.)"Screening for Fetal Chromosomal Abnormalities: ACOG Practice Bulletin, Number 226." Obstetrics and Gynecology (New York. 1953), vol. 136, no. 4, 2020, p. e48, https://doi.org/10.1097/AOG.0000000000004084.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.