AU  - SANFORD HN, KOSTALIK M, BLACKMORE B
TI  - PRothrombin studies on the blood of the premature infant and the value of vitamin k therapy
PT  - JOUR
DP  - 1949
TA  - American Journal of Diseases of Children
pages = {686-693},
VI  - 78
IP  - 5
AID  - 10.1001/archpedi.1949.02030050703005 [doi]
4100  - http://dx.doi.org/10.1001/archpedi.1949.02030050703005
SO  - American Journal of Diseases of Children November 1, 1949 78(5):686