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Yu VL, Chiou CC, Feldman C, Ortqvist A, Rello J, Morris AJ, Baddour LM, Luna CM, Snydman DR, Ip M, Ko WC, Chedid MB, Andremont A, Klugman KP; International Pneumococcal Study Group.Yu VL, et al.Clin Infect Dis. 2003 Jul 15;37(2):230-7. doi: 10.1086/377534. Epub 2003 Jul 7.Clin Infect Dis. 2003.PMID: 12856216