title: [The disappearing twin--a new phenomenon in ultrasonic diagnosis in pregnancy].
mesh_terms: D000650:Amnion / Q000033:anatomy & histology; D005260:Female; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins; D014463:Ultrasonography
vernacular_title: Mizející dvojce--nový fenomén ultrazvukové diagnostiky v tĕhotenství.