Controlling pneumococcal resistance to penicillin.
Bosso
J A
JA
D006801:Humans; D010403:Penicillin Resistance; D010593:Pharmaceutical Services / Q000592:standards; D011008:Pneumococcal Infections / Q000517:prevention & control*; D011159:Population Surveillance; D013296:Streptococcus pneumoniae / Q000187:drug effects*