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2. Lawrence J. Henderson quoted in Prioreschi P. A History of Medicine - Volume I: Primitive and Ancient Medicine. Omaha, Nebraska: Horatius Press; 1995, p. xviii, 11.
3. Prioreschi P. A History of Medicine - Volume II: Greek Medicine. Omaha, Nebraska: Horatius Press; 1996.
4. Prioreschi P. A History of Medicine - Volume I: Primitive and Ancient Medicine. Omaha, Nebraska: Horatius Press; 1995. p. 21-32.
5. Prioreschi P. A History of Medicine - Volume I: Primitive and Ancient Medicine. Omaha, Nebraska: Horatius Press; 1995. p. 9-71.