. "(Physician) John Cowan"@en . "Cowan, John (Physician)" . "M.D John COWAN" . "Cowan"@en . "COWAN" . . "(Physician)" . "Cowan, John, M.D" . "John"@en . "John Cowan"@en-US . "COWAN, John, M.D" . "M.D John Cowan" . . . .