TY - GEN AU - Saravana,K AU - Tan,Y K AU - Kum,S AU - Tang,T Y TI - The open retrograde approach as an alternative for failed percutaneous access for difficult below the knee chronic total occlusions-A case series SN - 2210-2612 PY - 2015///1111 N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/j.ijscr.2015.08.044 ER -