AU  - Tage-Hansen E
TI  - SUmmary of some clinical studies on vitamin k
PT  - JOUR
DP  - 1939
TA  - Journal of the American Medical Association
pages = {1875-1876},
VI  - 113
IP  - 21
AID  - 10.1001/jama.1939.72800460001008a [doi]
4100  - http://dx.doi.org/10.1001/jama.1939.72800460001008a
SO  - Journal of the American Medical Association November 18, 1939 113(21):1875