Co-trimoxazole-resistant pneumococci.
D004338:Drug Combinations; D004352:Drug Resistance, Microbial; D005260:Female; D005493:Folic Acid Antagonists / Q000494:pharmacology*; D006801:Humans; D008875:Middle Aged; D011743:Pyrimidines / Q000494:pharmacology*; D013296:Streptococcus pneumoniae / Q000187:drug effects*; D013420:Sulfamethoxazole / Q000494:pharmacology*; D014295:Trimethoprim / Q000494:pharmacology
D004338:Drug Combinations; D005493:Folic Acid Antagonists; D011743:Pyrimidines; D014295:Trimethoprim; D013420:Sulfamethoxazole