TI  - GOvernment services
PT  - JOUR
DP  - 1939
TA  - Journal of the American Medical Association
pages = {1611},
VI  - 112
IP  - 16
AID  - 10.1001/jama.1939.02800160075023 [doi]
4100  - http://dx.doi.org/10.1001/jama.1939.02800160075023
SO  - Journal of the American Medical Association April 22, 1939 112(16):1611