[Assessment of endogenous nitrogen losses in white rats of varying age].
D000375:Aging; D000818:Animals; D001830:Body Surface Area; D001835:Body Weight; D004032:Diet; D004044:Dietary Proteins / Q000008:administration & dosage; D005243:Feces / Q000032:analysis*; D008297:Male; D009584:Nitrogen / Q000652:urine*; D051381:Rats; D013997:Time Factors
D004044:Dietary Proteins; D009584:Nitrogen
K otsenke éndogennykh poter' azota u belykh krys razlichnogo vozrasta.