Dashe, J S Impact of head-to-abdominal circumference asymmetry on outcomes in growth-discordant twins. [electronic resource] - American journal of obstetrics and gynecology Nov 2000 - 1082-7 p. digital Publication Type: Journal Article ISSN: 0002-9378 Standard No.: 10.1067/mob.2000.108883 doi Subjects--Topical Terms: Abdomen--embryologyCohort StudiesEmbryonic and Fetal DevelopmentFemaleFetus--anatomy & histologyHead--embryologyHumansPregnancyPregnancy OutcomePregnancy, MultipleRetrospective StudiesRisk FactorsTwins