TY - GEN AU - Turk,D C TI - Strategies for classifying chronic orofacial pain patients SN - 0003-3006 PY - 1991///0514 KW - Chronic Disease KW - Classification KW - methods KW - Facial Pain KW - classification KW - Humans KW - Temporomandibular Joint Disorders N1 - Publication Type: Journal Article ER -