[A randomized, prospective and comparative study is a clinical trial].
Canut Blasco
A
A
Alvarez Ruiz
S
S
Novales Salcedo
J L
JL
Alfonso Farnós
I
I
D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D017963:Azithromycin / Q000627:therapeutic use; D002444:Cefuroxime / Q000627:therapeutic use; D002511:Cephalosporins / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy
D000900:Anti-Bacterial Agents; D002511:Cephalosporins; D017963:Azithromycin; D002444:Cefuroxime