[Simultaneous determination of urea and ammonia in biological fluids].
D000641:Ammonia / Q000032:analysis*; D000818:Animals; D002417:Cattle; D008722:Methods; D014508:Urea / Q000032:analysis*
D000641:Ammonia; D014508:Urea
Odnovremennoe opredelenie mocheviny i ammiaka v biologicheskikh zhidkostiakh.