TY - GEN AU - Ehrlich,George E TI - Low back pain SN - 0042-9686 PY - 2004///0120 KW - Acute Disease KW - Anti-Inflammatory Agents, Non-Steroidal KW - therapeutic use KW - Chronic Disease KW - Fibromyalgia KW - complications KW - Humans KW - Low Back Pain KW - classification KW - Middle Aged KW - Risk Factors N1 - Publication Type: Journal Article ER -