Rajaei Isfahani, M. and Haghighat, M. 2009. Measurable Changes in Hydronephrosis During Pregnancy Induced by Positional Changes: Ultrasonic Assessment and its Diagnostic Implication. Urology Journal. 2, 2 (May 2009), 97–101. DOI:https://doi.org/10.22037/uj.v2i2.258.