Vitthala, S The risk of monozygotic twins after assisted reproductive technology: a systematic review and meta-analysis. [electronic resource] - Human reproduction update - 45-55 p. digital Publication Type: Journal Article; Meta-Analysis; Review; Systematic Review ISSN: 1460-2369 Standard No.: 10.1093/humupd/dmn045 doi Subjects--Topical Terms: Embryonic Development--physiologyFemaleHumansReproductive Techniques, AssistedRisk AssessmentTwinning, Monozygotic