1. J. de Bokay, , 1st edTraitédes Maladies de l'Enfant vol. iii (Grancher, Comby, and Marfan Paris p. 314).
2. Urinary Lithiasis in Children
3. L.E. Holt, Diseases of Infancy and Childhood, 9th ed (New York p. 520).
4. Stone and Calculus Disease of the Urinary Organs;Joly,1929