A. H. Hussein Bakeer, A. I. Hussien Hussien, S. M. El Shaikh, and A. M. Soliman Idris, “The incidence of post amputation syndrome after pericapsular nerve group block versus sciatico-femoral nerve block in patients undergoing above knee amputation”, apic, vol. 27, no. 6, pp. 665-672, Jan. 2023.