Chronic obstructive pulmonary disease past, present and future.
Calverley
P M A
PM
Division of Infection and Immunity, Clinical Sciences Centre, University Hospital Aintree, Liverpool, UK.
Wedzicha
J A
JA
D005544:Forecasting; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000266:history*; D015272:Pulmonary Medicine / Q000639:trends*