title: Penicillin, ampicillin and cephaloridine in severe exacerbations of purulent chronic bronchitis in elderly patients.
mesh_terms: D000284:Administration, Oral; D000368:Aged; D000667:Ampicillin / Q000008:administration & dosage*; D001991:Bronchitis / Q000188:drug therapy* / Q000382:microbiology; D002509:Cephaloridine / Q000008:administration & dosage*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D006193:Haemophilus influenzae / Q000302:isolation & purification; D006801:Humans; D007273:Injections, Intramuscular; D008297:Male; D008875:Middle Aged; D010406:Penicillins / Q000008:administration & dosage*; D013147:Spirometry; D013291:Streptococcus / Q000302:isolation & purification
chemical_list: D010406:Penicillins; D000667:Ampicillin; D002509:Cephaloridine