title: Pulsed-field gel electrophoresis (PFGE) pattern of genomic DNA of penicillin-resistant pneumococci in Korea, where the resistance rate is very high.
authors.affiliation: Department of Clinical Pathology, Yonsei University College of Medicine, C.P.O. Box 8044, Seoul, Korea.
authors.forename: Yunsop
authors.initials: Y
authors.lastname: Chong
authors.forename: Kyungwon
authors.initials: K
authors.lastname: Lee
authors.forename: Xue-Song
authors.initials: XS
authors.lastname: Xu
authors.forename: Oh Hun
authors.initials: OH
authors.lastname: Kwon
authors.forename: Jue-Myung
authors.initials: JM
authors.lastname: Kim
authors.forename: Jørgen
authors.initials: J
authors.lastname: Henrichsen