Penicillin-resistant Streptococcus pneumoniae in New Zealand.
D000368:Aged; D000658:Amoxicillin / Q000494:pharmacology*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy; D008297:Male; D009520:New Zealand; D010403:Penicillin Resistance; D013296:Streptococcus pneumoniae / Q000187:drug effects*
D000658:Amoxicillin