title: [Antimicrobial drug susceptibility of respiratory isolates of Haemophilus influenzae--ampicillin resistance].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000667:Ampicillin / Q000494:pharmacology*; D005260:Female; D006193:Haemophilus influenzae / Q000145:classification / Q000187:drug effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010403:Penicillin Resistance; D012141:Respiratory Tract Infections / Q000382:microbiology*; D013183:Sputum / Q000382:microbiology
chemical_list: D000667:Ampicillin