Ashwini Bakde Umredkar, Prajwalit Gaur, & Shyam Chhadi. (2018). Transabdominal ultrasound features and limitations in diagnosis of intra- and extra-uterine pregnancy: A pictorial essay. Asian Pacific Journal of Health Sciences, 5(1), 84–88. https://doi.org/10.21276/apjhs.2018.5.1.18