Hsieh, Yu-Chia Serotype competence and penicillin resistance in Streptococcus pneumoniae. [electronic resource] - Emerging infectious diseases Nov 2006 - 1709-14 p. digital Publication Type: Journal Article ISSN: 1080-6040 Standard No.: 10.3201/eid1211.060414 doi Subjects--Topical Terms: Electrophoresis, Gel, Pulsed-FieldGenetic HeterogeneityHumansMicrobial Sensitivity TestsPenicillin ResistanceProspective StudiesSerotypingStreptococcus pneumoniae--classification