title: Frequency of thoracoomphalopagus conjoined twins in Thailand.
abstract: Twenty-two cases of conjoined twins have been collected in Thailand. The numbers occurring in the various parts of Thailand are listed. No known cases have occurred between the years 1968-1973. The extent of union between the conjoined twins is described and illustrated. Some theories are offered as to etiological factors which might account for the occurrence of conjoined twins.
mesh_terms: D006801:Humans; D013785:Thailand; D014428:Twins, Conjoined / Q000145:classification / Q000453:epidemiology*