Editorial: observational studies, time-dependent confounding, and marginal structural models
- PMID: 25371384
- DOI: 10.1002/art.38931
Editorial: observational studies, time-dependent confounding, and marginal structural models
Comment on
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Effects of glucosamine and chondroitin supplementation on knee osteoarthritis: an analysis with marginal structural models.Arthritis Rheumatol. 2015 Mar;67(3):714-23. doi: 10.1002/art.38932. Arthritis Rheumatol. 2015. PMID: 25369761 Free PMC article.
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Effects of prescription nonsteroidal antiinflammatory drugs on symptoms and disease progression among patients with knee osteoarthritis.Arthritis Rheumatol. 2015 Mar;67(3):724-32. doi: 10.1002/art.38933. Arthritis Rheumatol. 2015. PMID: 25369996 Free PMC article.