title: Twins and teratisms in rhesus monkeys.
mesh_terms: D000818:Animals; D002585:Cesarean Section; D000013:Congenital Abnormalities; D004569:Electroencephalography; D005260:Female; D000882:Haplorhini; D011247:Pregnancy; D011270:Pregnancy, Animal; D011272:Pregnancy, Multiple; D011647:Puerto Rico