TI  - GAstrointestinal bleeding
PT  - JOUR
DP  - 1961
TA  - JAMA
pages = {704-705},
VI  - 175
IP  - 8
AID  - 10.1001/jama.1961.03040080060016 [doi]
4100  - http://dx.doi.org/10.1001/jama.1961.03040080060016
SO  - JAMA February 25, 1961 175(8):704