Clinical Epidemiology
Volume 15, 2023 - Issue
METHODOLOGY
An Evaluation of Different Strategies for Sampling Controls in an Online Case-Crossover Study of Acute Flares in Knee Osteoarthritis
Trishna Rathod-Mistry1 Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, UK
https://orcid.org/0000-0002-6369-4746View further author information
https://orcid.org/0000-0002-6369-4746View further author information, , & Martin J Thomas2 Primary Care Centre Versus Arthritis, School of Medicine, Keele University, Staffordshire, UK;5 Haywood Academic Rheumatology Centre, Midlands Partnership University NHS Foundation Trust, Haywood Hospital, Staffordshire, UKCorrespondence[email protected]
https://orcid.org/0000-0002-4951-9925View further author information
https://orcid.org/0000-0002-4951-9925View further author information