TI  - GOvernment services
PT  - JOUR
DP  - 1939
TA  - Journal of the American Medical Association
pages = {2446},
VI  - 112
IP  - 23
AID  - 10.1001/jama.1939.02800230070022 [doi]
4100  - http://dx.doi.org/10.1001/jama.1939.02800230070022
SO  - Journal of the American Medical Association June 10, 1939 112(23):2446