title: Chronic pain grade questionnaire.
authors: McMaster University, Ontario, Canada.
authors: Kaur
authors: K
authors: Manraj
authors: Mehta
authors: M
authors: Saurabh
mesh_terms: D059350:Chronic Pain / Q000175:diagnosis* / Q000534:rehabilitation*; D006801:Humans; D010147:Pain Measurement / Q000592:standards*; D026741:Physical Therapy Modalities; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires / Q000592:standards*