. . . . . . . . "Historical radio programs"@en . . "Pierre Bretonneau"@en . "Drama"@en . . "Adventures in research. 398, Pierre Bretonneau Adventures in research. 399, The deaf postmaster"@en . "Program 398: The life and work of the doctor who first diagnosed and named diphtheria, and performed one of the first tracheotomies. Program 399: The story of a postmaster in Versailles whose impending deafness led him to discover a great deal about the Eustachian tube and the function of the ear."@en . . "Medical radio programs"@en . . "Radio docudramas"@en . . . . "Biographical radio programs"@en . "Radio serials"@en . . "Science radio programs"@en . . . "Educational radio programs"@en . . .