Macrolide resistance and genotypic characterization of Streptococcus pneumoniae in Asian countries: a study of the Asian Network for Surveillance of Resistant Pathogens (ANSORP).
Division of Infectious Diseases, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Il-won dong, Kangnam-ku, Seoul 135-710, Korea. jhsong@ansorp.org
