AU - Lyytikäinen O, Klemets P, Ruutu P, et al TI - DEfining the population-based burden of nosocomial pneumococcal bacteremia PT - JOUR DP - 2007 TA - Archives of Internal Medicine pages = {1635-1640}, VI - 167 IP - 15 AID - 10.1001/archinte.167.15.1635 [doi] 4100 - http://dx.doi.org/10.1001/archinte.167.15.1635 SO - Archives of Internal Medicine August 13, 2007 167(15):1635