. . "1919-03-13Z"^^ . "PsychiatristandPsychoanalyst" . "1986-04-20Z"^^ . "Marie Nyswander (March 13, 1919 \u2013 April 20, 1986) was an American psychiatrist and psychoanalyst known for developing and popularizing the use of methadone to treat heroin addiction."@en . "1986Z"^^ . "1919Z"^^ . . "Marie Nyswander"@en . "Nyswander, Marie"@en . . .