title: Sex distribution of thyroxine blood levels in Rwandese newborns.
mesh_terms: D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D012432:Rwanda; D012737:Sex Factors; D013974:Thyroxine / Q000097:blood*
chemical_list: D013974:Thyroxine