TY - GEN AU - Nachemson,A L AU - Andersson,G B TI - Classification of low-back pain SN - 0355-3140 PY - 1982///1221 KW - Back Pain KW - classification KW - Humans KW - Sciatica N1 - Publication Type: Journal Article UR - https://doi.org/10.5271/sjweh.2490 ER -