title: [Letter: Combined intra- and extra-uterine pregnancies].
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011269:Pregnancy, Abdominal; D011272:Pregnancy, Multiple; D011274:Pregnancy, Tubal; D014427:Twins
vernacular_title: Gekombineerde intra- en ekstra-uteriene swangerskappe