title: Cord serum thyroxine and thyrotropin values between 20 and 30 weeks' gestation.
mesh_terms: D005312:Fetal Blood / Q000032:analysis*; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D013972:Thyrotropin / Q000097:blood*; D013974:Thyroxine / Q000097:blood*
chemical_list: D013972:Thyrotropin; D013974:Thyroxine