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|Comprehensive Perinatal and Pediatric Respiratory Care||National Center for Science Education|
Savage Smith, Meideval Islamic medicine Georgetown University, Washington DC, 2007, p.26
|Loukas M, Lam R, Tubbs RS, Shoja MM, Apaydin N Ibn al-Nafis 1210—1288 was an Arab physician who contributed much to the advancement of medical knowledge and science in the 13th century|
|Wier LM, Steiner CA, Owens PL April 17, 2015||, Islamic Medical Manuscripts, United States National Library of Medicine|
"A Review of the "Open" and "Closed" Circulatory Systems: New Terminology for Complex Invertebrate Circulatory Systems in Light of Current Findings".