AU - Nichol KL, Wuorenma JJ, von Sternberg TT TI - BEnefits of influenza vaccination for low-, intermediate-, and high-risk senior citizens PT - JOUR DP - 1998 TA - Archives of Internal Medicine pages = {1769-1776}, VI - 158 IP - 16 AID - 10.1001/archinte.158.16.1769 [doi] 4100 - http://dx.doi.org/10.1001/archinte.158.16.1769 SO - Archives of Internal Medicine September 14, 1998 158(16):1769