title: [Triplet pregnancies in Linköping 1973-1981].
mesh_terms: D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011272:Pregnancy, Multiple; D013548:Sweden; D014310:Triplets
vernacular_title: Trillinggraviditeter i Linköping 1973-1981.