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Relationship between physical activity and hip pain in persons with and without cam or pincer morphology: a population-based case-control study.
Kopec JA, Cibere J, Li LC, Zhang C, Barber M, Qian H, Wong H, Steininger G, Prlic H, Simatovic J, Ratzlaff C, Sayre EC, Ye J, Forster BB, Esdaile JM; IMPAKT-HIP Study Team. Kopec JA, et al. Osteoarthritis Cartilage. 2017 Jul;25(7):1055-1061. doi: 10.1016/j.joca.2017.02.795. Epub 2017 Feb 20. Osteoarthritis Cartilage. 2017. PMID: 28219714 Free article.
Bias in case-control studies. A review.
Kopec JA, Esdaile JM. Kopec JA, et al. J Epidemiol Community Health. 1990 Sep;44(3):179-86. doi: 10.1136/jech.44.3.179. J Epidemiol Community Health. 1990. PMID: 2273353 Free PMC article. Review. No abstract available.
The Quebec Back Pain Disability Scale. Measurement properties.
Kopec JA, Esdaile JM, Abrahamowicz M, Abenhaim L, Wood-Dauphinee S, Lamping DL, Williams JI. Kopec JA, et al. Spine (Phila Pa 1976). 1995 Feb 1;20(3):341-52. doi: 10.1097/00007632-199502000-00016. Spine (Phila Pa 1976). 1995. PMID: 7732471
Functional disability scales for back pain.
Kopec JA, Esdaile JM. Kopec JA, et al. Spine (Phila Pa 1976). 1995 Sep 1;20(17):1943-9. doi: 10.1097/00007632-199509000-00021. Spine (Phila Pa 1976). 1995. PMID: 8560347 Review.
Predictors of back pain in a general population cohort.
Kopec JA, Sayre EC, Esdaile JM. Kopec JA, et al. Spine (Phila Pa 1976). 2004 Jan 1;29(1):70-7; discussion 77-8. doi: 10.1097/01.BRS.0000103942.81227.7F. Spine (Phila Pa 1976). 2004. PMID: 14699279
225 results