Documents
Study protocol
Initial protocol

Protocol - Tramadol vs Codeine and Risk of Hip Fracture

English (1.45 MB - PDF)View document
Updated protocol

Protocol - Tramadol vs Codeine and Risk of Hip Fracture - Admendment

First published: 22/02/2024
English (633.46 KB - PDF)View document
Study results
Study report
Other information
Publications
Study publications
Herrett E, Gallagher AM, Bhaskaran K, Forbes H, Mathur R, Van Staa T, Smeeth L…
Voss EA, Makadia R, Matcho A, Ma Q, Knoll C, Schuemie M, DeFalco FJ, Londhe A, …
Voss EA, Ma Q, Ryan PB. The impact of standardizing the definition of visits on…