title: Diurnal variation of serum immunomoreactive erythropoietin in a normal subject.
mesh_terms: D002940:Circadian Rhythm; D004921:Erythropoietin / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D004921:Erythropoietin