title: August Krogh and Gas Exchange.
authors.affiliation: Professor of Medicine (Retd.), TN Medical College, Hon. Physician, Bhatia Hospital, Mumbai, Maharashtra.
authors.forename: J V Pai
authors.initials: JV
authors.lastname: Dhungat
mesh_terms: D003718:Denmark; D049672:History, 19th Century; D049673:History, 20th Century; D010678:Philately; D011659:Pulmonary Gas Exchange