Chronic obstructive pulmonary disease: from nihilism to tempered optimism.
Varkey
Basil
B
D001291:Attitude of Health Personnel; D006801:Humans; D011320:Primary Health Care / Q000379:methods; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000628:therapy*; D015272:Pulmonary Medicine / Q000639:trends*