SHARMA, P; SHRESTHA, B; ANSARI, MA; SINGH, D; SINGH, BP. Evaluation of Renal Venous Impedance, Pyelocalyectasis and Their Correlation during Pregnancy Using Doppler Ultrasound Examination: A Case Control Study. Nepalese Journal of Radiology, [S. l.], v. 2, n. 1, p. 25–30, 2012. DOI: 10.3126/njr.v2i1.6976. Disponível em: https://nepjol.info/index.php/NJR/article/view/6976. Acesso em: 8 dec. 2025.