TI - SIgnificance of urinary ammonia PT - JOUR DP - 1939 TA - Journal of the American Medical Association pages = {845-846}, VI - 112 IP - 9 AID - 10.1001/jama.1939.02800090055015 [doi] 4100 - http://dx.doi.org/10.1001/jama.1939.02800090055015 SO - Journal of the American Medical Association March 4, 1939 112(9):845