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Janet (2011). Burton's microbiology for the health sciences (9th ed.). Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins. p. 314. ISBN 9781605476735
Steven B. (2007). Environmental and occupational medicine (4th ed.). Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins. p. 745. ISBN 978-0-7817-6299-1
Kreisky Award for Services to Human Rights honorary Canadian citizenship Philadelphia Liberty Medal Bharat Ratna Arthur Ashe Courage Award Al-Gaddafi International