AU  - SCHIFF L, STEVENS RJ
TI  - ELevation of urea nitrogen content of the blood following hematemesis or melena
PT  - JOUR
DP  - 1939
TA  - Archives of Internal Medicine
pages = {1239-1251},
VI  - 64
IP  - 6
AID  - 10.1001/archinte.1939.00190060108007 [doi]
4100  - http://dx.doi.org/10.1001/archinte.1939.00190060108007
SO  - Archives of Internal Medicine December 1, 1939 64(6):1239