Amin, M.U. (2007) “IDIOPATHIC RIGHT SUB-PHRENIC ABSCESS CONTAINING GAS: Sub-Phrenic Abscess”, Pakistan Armed Forces Medical Journal, 57(4), pp. 335–338. Available at: https://www.pafmj.org/PAFMJ/article/view/526 (Accessed: 27 October 2025).