[SEMI-MICROMETHOD FOR THE DETERMINATION OF BLOOD UREA].
D001774:Blood Chemical Analysis; D006801:Humans; D008832:Microchemistry; D012106:Research; D014508:Urea
D014508:Urea
BLOOD CHEMICAL ANALYSIS; EXPERIMENTAL LAB STUDY; MICROCHEMISTRY; UREA
SEMIMICROM'ETODO PARA DOSAGEM DA UR'EIA SANGU'INEA.