Foreword: "The Big Three".
Rennard
Stephen I
SI
University of Nebraska Medical Center, Omaha, NE, USA.
Higenbottam
Tim
T
Leff
Alan R
AR
D003226:Congresses as Topic; D006331:Heart Diseases; D006801:Humans; D008175:Lung Neoplasms; D029424:Pulmonary Disease, Chronic Obstructive