AU - Gulløv AL, Koefoed BG, Petersen P, et al TI - WArfarin vs aspirin and afasak 2 PT - JOUR DP - 1999 TA - Archives of Internal Medicine pages = {1010}, VI - 159 IP - 9 AID - [doi] 4100 - http://dx.doi.org/ SO - Archives of Internal Medicine May 10, 1999 159(9):1010