“COMPARATIVE STUDY BETWEEN PLAIN RADIOGRAPHY ANDULTRASOUND ABDOMEN IN ACUTE ABDOMINAL CONDITIONS AT MEDICAL COLLEGE, HOSPITAL BIKANER”. INTERNATIONAL JOURNAL OF ADVANCED RESEARCH AND REVIEW (IJARR), vol. 2, no. 8, Aug. 2017, pp. 4-6, https://www.ijarr.org/index.php/ijarr/article/view/186.