Gathwal, C.K., Gathwal, M.B., Garg, S., Kumari, Y. and Singh, K. 2016. A comparative study between abdominal plain radiography and ultrasonography in non-traumatic acute abdominal emergencies in tertiary care hospital. International Journal of Research in Medical Sciences. 5, 1 (Dec. 2016), 113–123. DOI:https://doi.org/10.18203/2320-6012.ijrms20164533.