Adolf Hitler; as quoted by Robert Lifton (1986). The Nazi Doctors: Medical Killing and the Psychology of Genocide. New York: Basic Books. ISBN 978-0-465-04904-2.
Adolf Hitler; as quoted by Robert Lifton (1986). The Nazi Doctors: Medical Killing and the Psychology of Genocide . New York: Basic Books. ISBN 978-0-465-04904-2.
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