title: A preliminary twin study in Taiwan. I. Epidemiological aspect.
mesh_terms: D000017:ABO Blood-Group System; D000293:Adolescent; D000328:Adult; D001724:Birth Weight; D002675:Child, Preschool; D003878:Dermatoglyphics; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D008875:Middle Aged; D010298:Parity; D010375:Pedigree; D011247:Pregnancy; D011386:Projective Techniques; D012621:Seasons; D012959:Socioeconomic Factors; D013624:Taiwan; D014427:Twins
chemical_list: D000017:ABO Blood-Group System