TI  - BLood type, blood clot, and the pill
PT  - JOUR
DP  - 1969
TA  - JAMA
pages = {524-525},
VI  - 208
IP  - 3
AID  - 10.1001/jama.1969.03160030098015 [doi]
4100  - http://dx.doi.org/10.1001/jama.1969.03160030098015
SO  - JAMA April 21, 1969 208(3):524