[Comparative study of methods for the approximate determination of urea by means of paper strips].
D001806:Blood Urea Nitrogen; D006801:Humans; D007674:Kidney Diseases / Q000097:blood; D008722:Methods; D014570:Urologic Diseases / Q000097:blood
Sravnitel'noe izuchenie metodov orientirovochnogo opredeleniia mocheviny pri pomoshchi bumazhnykh lent.