title: Manual and automated methods for urea nitrogen measurement in whole serum.
mesh_terms: D001322:Autoanalysis; D001806:Blood Urea Nitrogen; D002074:Butanones; D002104:Cadmium; D002624:Chemistry, Clinical / Q000295:instrumentation; D008722:Methods; D010091:Oximes; D012663:Semicarbazides; D013053:Spectrophotometry; D013431:Sulfates; D013455:Sulfur; D014510:Urease
chemical_list: D002074:Butanones; D010091:Oximes; D012663:Semicarbazides; D013431:Sulfates; D002104:Cadmium; D013455:Sulfur; D014510:Urease