TY - GEN AU - van Tulder,M W AU - Koes,B W AU - Metsemakers,J F AU - Bouter,L M TI - Chronic low back pain in primary care: a prospective study on the management and course SN - 0263-2136 PY - 1998///0721 KW - Adult KW - Family Practice KW - statistics & numerical data KW - Follow-Up Studies KW - Humans KW - Low Back Pain KW - diagnosis KW - Middle Aged KW - Primary Health Care KW - Referral and Consultation N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1093/fampra/15.2.126 ER -