title: Proceedings: Circannual excretory patterns in man.
mesh_terms: D002118:Calcium / Q000652:urine*; D004381:Duodenal Ulcer / Q000652:urine; D004837:Epinephrine / Q000652:urine; D006801:Humans; D008297:Male; D010507:Periodicity; D012621:Seasons; D013761:Tetrahydrocortisone / Q000652:urine
chemical_list: D013761:Tetrahydrocortisone; D002118:Calcium; D004837:Epinephrine