M. M. A. Jebouri and N. Atala, “A Study on the Interrelationship between Renal Calculi, Hormonal Abnormalities and Urinary Tract Infections in Iraqi Patients,” Open Journal of Urology, Vol. 2, No. 1, 2012, pp. 6-10. doi:10.4236/oju.2012.21002
 J. O. Klein and S. S. Long, “Bacterial Infections of the Urinary Tract,” In: J. S. Remington and J. O. Klein, Eds., Infectious Diseases of the Fetus and Newborn Infant, 4th Editon, Saunders, Philadelphia, 1995, pp. 925-934.
 K. B. Roberts and O. B. Akintemi, “The Epidemiology and Clinical Presentation of Urinary Tract Infections in Children Younger than 2 Years of Age,” Pediatric Annals, Vol. 28, No. 10, 1999, pp. 644-649.
 T. D. Bell, M. B. Demay and S. A. M. Burnett-Bowie, “The Biology and Pathology of Vitamin D Control in Bone,” Journal of Cellular Biochemistry, Vol. 111, No. 1, 2010, pp. 7-13. doi:10.1002/jcb.22661
 R. B. Jacobsen, B. W. Hronek, G. A. Schmidt and M. L. Schilling, “Hypervitaminosis D Associated with a Vita- min D Dispensing Error,” Annals of Pharmacotherapy, Vol. 45, No. 10, 2011, p. 52. doi:10.1345/aph.1Q330
 S. R. Koyyalamudi, C. H. Jeong Song, K. Y. Cho and G. Pang, “Vitamin D2 Formation and Bioavailability from Agaricus Bisporus Button Mushrooms Treated with Ultraviolet Irradiation,” Journal of Agricultural and Food Chemistry, Vol. 57, No. 8, 2009, pp. 3351-3355. doi:10.1021/jf803908q
 I. D. Wiesenthal, D. Ghiculete, K. T. Pace, M. Ordon and R. J. Hong, “A Prospective Study Examining the Incidence of Bacteruria and Urinary Tract Infection Post-Shockwave Lithotripsy: The Case Against Universal Antibiotic Prophylaxis,” Canadian Urological Association Journal, Vol. 5, Suppl. 1, 2011, p. S9.
 L. M. Gartner and F. R. Greer, “American Academy of Pediatrics Committee on Nutrition. Prevention Rickets and Vitamin D Deficiency: New Guidelines for Vitamin D Intake,” Pediatrics, Vol. 111, No. 4, 2003, pp. 908-910. doi:10.1542/peds.111.4.908
 D. A. McCarron, P. A. Pingree, R. A. Rubin, S. M. Gancher, M. Molitch and S. Krutzik, “Enhanced Parathyroid Function in Essential Hypertension: A Homeostatic Response to a Urinary Ca2+ Leak,” Hypertension, Vol. 2, No. 1, 1980, pp. 162-168. doi:10.1161/01.HYP.2.2.162