title: Gold from dross: the first century of the urobilinoids.
mesh_terms: D001654:Bile Pigments / Q000266:history* / Q000502:physiology; D001663:Bilirubin / Q000266:history / Q000502:physiology; D006115:Greece; D049690:History, Ancient; D049691:History, Medieval; D049711:History, Modern 1601-; D006801:Humans; D014557:Urobilin / Q000266:history* / Q000502:physiology; D014558:Urobilinogen / Q000266:history / Q000502:physiology
chemical_list: D001654:Bile Pigments; D014558:Urobilinogen; D014557:Urobilin; D001663:Bilirubin