title: Interfering effect of incubation in carbon dioxide on the identification of pneumococci by optochin discs.
abstract: Incubation of pneumococci in a CO(2) environment decreases the zone sizes produced by optochin discs, with the result that pneumococcal-like organisms require further study.
mesh_terms: D000388:Air; D001431:Bacteriological Techniques / Q000592:standards*; D002245:Carbon Dioxide; D002555:Cerebrospinal Fluid / Q000382:microbiology; D002929:Cinchona / Q000494:pharmacology; D003470:Culture Media; D004352:Drug Resistance, Microbial; D006801:Humans; D010614:Pharynx / Q000382:microbiology; D010946:Plants, Medicinal; D013045:Species Specificity; D013183:Sputum / Q000382:microbiology; D013291:Streptococcus / Q000187:drug effects / Q000254:growth & development; D013296:Streptococcus pneumoniae / Q000187:drug effects / Q000254:growth & development / Q000302:isolation & purification*
chemical_list: D003470:Culture Media; D002245:Carbon Dioxide