Increasing penicillin resistance in pneumococci in Iceland.
Kristinsson
K G
KG
Hjálmarsdóttir
M A
MA
Steingrímsson
O
O
D006801:Humans; D007055:Iceland; D008826:Microbial Sensitivity Tests; D010403:Penicillin Resistance; D013296:Streptococcus pneumoniae / Q000187:drug effects*