title: Urease. VII. Some observations on the assay method of Sumner.
mesh_terms: D000641:Ammonia; D002021:Buffers; D055598:Chemical Phenomena; D002621:Chemistry; D004492:Edetic Acid; D007700:Kinetics; D008623:Mercaptoethanol; D013053:Spectrophotometry; D014510:Urease / Q000032:analysis*
chemical_list: D002021:Buffers; D008623:Mercaptoethanol; D000641:Ammonia; D004492:Edetic Acid; D014510:Urease