Paliwal, Shruti, Rizwana Shaheen, Shweta Paliwal, Poonam Parakh, Kanchan Yadav, Goury Chaudhary, and Jitendra Jalandhara. “Comparative Role of Non-Stress Test and Colour Doppler in High Risk Pregnancy Predicted by Placental Histopathology and Foetal Outcome”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6, no. 4 (March 30, 2017): 1444–1448. Accessed October 13, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/1643.