AU - Murphy JE TI - GEneric substitution and optimal patient care PT - JOUR DP - 1999 TA - Archives of Internal Medicine pages = {429-433}, VI - 159 IP - 5 AID - 10.1001/archinte.159.5.429 [doi] 4100 - http://dx.doi.org/10.1001/archinte.159.5.429 SO - Archives of Internal Medicine March 8, 1999 159(5):429