Zaidi, Syed Shahid Nafees, et al. “STRATEGY FOR OPEN HEART SURGERY IN A NON-CROSS MATCHABLE BLOOD SCENARIO: Open Heart Surgery & Non-Cross Matchable Blood Scenario”. Pakistan Armed Forces Medical Journal, vol. 66, no. 3, June 2016, pp. 452-53, https://pafmj.org/PAFMJ/article/view/1373.