Singh V, Varshney AM, Kaur S. Awareness of ultrasonography among antenatal mothers attending the tertiary care hospital in Bundelkhand region of UP. Int J Community Med Public Health [Internet]. 2018 Dec. 24 [cited 2025 Oct. 26];6(1):277-80. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/3954