_:Bdfdd858841d4de19baf3515a69e87a78 . _:Bdfdd858841d4de19baf3515a69e87a78 . _:Bdfdd858841d4de19baf3515a69e87a78 "2023-05-22"^^ . _:Bdfdd858841d4de19baf3515a69e87a78 . _:Bdfdd858841d4de19baf3515a69e87a78 . _:Bdfdd858841d4de19baf3515a69e87a78 "135360358" . _:Bdfdd858841d4de19baf3515a69e87a78 . _:Bdfdd858841d4de19baf3515a69e87a78 . _:Bdfdd858841d4de19baf3515a69e87a78 . "Department of community medicine, School of medicine/University of Pennsylvania"@nl . . "1917"^^ . . "William" . "Krasner" . . . "William Krasner" . "Krasner, William (1917-)" . _:Bdfdd858841d4de19baf3515a69e87a78 .