Two-by-two factorial randomised study within a trial (SWAT) to evaluate strategies for follow-up in a randomised prevention trial.
Lucy E BradshawAlan A MontgomeryHywel C WilliamsJoanne R ChalmersRachel H HainesPublished in: Trials (2020)
ISRCTN registry, ID: ISRCTN21528841. Registered on 25 July 2014. SWAT Repository Store ID 25.