title: An erythromycin-resistant pneumococcus.
mesh_terms: D001434:Bacteriophage Typing; D002648:Child; D004352:Drug Resistance, Microbial; D004917:Erythromycin / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D011008:Pneumococcal Infections / Q000188:drug therapy*; D013296:Streptococcus pneumoniae / Q000187:drug effects* / Q000302:isolation & purification
chemical_list: D004917:Erythromycin