Roflumilast letter to the editor and author's response.
Martino
M
Laurenzi
D000631:Aminopyridines / Q000627:therapeutic use*; D001549:Benzamides / Q000627:therapeutic use*; D006801:Humans; D009720:Nurse Clinicians / Q000193:education*; D058988:Phosphodiesterase 4 Inhibitors / Q000627:therapeutic use*; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*
D000631:Aminopyridines; D001549:Benzamides; D058988:Phosphodiesterase 4 Inhibitors