Filtering by: Location Duke Medical Center Archives Remove constraint Location: Duke Medical Center Archives Collection PA Implementation Era (1966-1972) Remove constraint Collection: PA Implementation Era (1966-1972) Subject Certification Remove constraint Subject: Certification Subject Dixon, John Elliot Remove constraint Subject: Dixon, John Elliot Subject Duke University. Department of Community and Family Medicine Remove constraint Subject: Duke University. Department of Community and Family Medicine Year 1969 Remove constraint Year: 1969