TY - RPRT TI - A versatile drop foot stimulator for research applications. AU - D T O'Keeffe AU - G M Lyons PY - 2002 DO - 10.1016/s1350-4533(02)00011-5 UR - https://pubmed.ncbi.nlm.nih.gov/12062182/ ID - 12062182 ER -