found: Barlow, D. Further report on the thoracic services of Ceylon with special ... 1954
found: Crofton and Douglas's respiratory diseases, 2000.
found: NLM files, Apr. 20, 1999:(hdg.: Crofton, John, Sir, 1912- ; usage: Sir John Crofton; John Crofton)
found: Independent online ed., Nov. 5, 2009(Sir John Crofton; b. John Wenman Crofton, Mar. 27, 1912, Dublin; d. Nov. 3, 2009, Edinburgh; physician whose research revolutionised the treatment of tuberculosis and lung disease; knighted in 1977)
found: Info. from 678 field, converted 2013-06-06(John Crofton is an M.D.)
