AU  - SNELL AM, BUTT HR
TI  - SUpplementary report on vitamin k
PT  - JOUR
DP  - 1939
TA  - Journal of the American Medical Association
pages = {2056-2059},
VI  - 113
IP  - 23
AID  - 10.1001/jama.1939.72800480004011 [doi]
4100  - http://dx.doi.org/10.1001/jama.1939.72800480004011
SO  - Journal of the American Medical Association December 2, 1939 113(23):2056