TY - GEN AU - Mendel,F C AU - Fish,D R TI - The "TENS issue"--what can we learn? SN - 0031-9023 PY - 1991///0822 KW - Back Pain KW - therapy KW - Chronic Disease KW - Humans KW - Research Design KW - standards KW - Transcutaneous Electric Nerve Stimulation N1 - Publication Type: Letter UR - https://doi.org/10.1093/ptj/71.8.623 ER -