Romańczuk, Wrzesław, and Ryszard Korczawski. “Chronic Constipation: A Cause of Recurrent Urinary Tract Infections”. The Turkish Journal of Pediatrics, vol. 35, no. 3, July 1993, pp. 181-8, https://doi.org/10.24953/turkjpediatr.1993.3681.