title: Contributions to the question of the teratogenesis of mongolism.
mesh_terms: D000328:Adult; D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000209:etiology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D012409:Rubella / Q000150:complications*; D014314:Trisomy