TY - RPRT TI - Modular transcutaneous functional electrical stimulation system. AU - Milos R Popovic AU - Thierry Keller PY - 2005 DO - 10.1016/j.medengphy.2004.08.016 UR - https://pubmed.ncbi.nlm.nih.gov/15604009/ ID - 15604009 ER -