Browsing by Author "Ishaku, Timothy"
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Item Non-randomised evaluations of strategies to increase participant retention in randomised controlled trials : A systematic review(2020-09-29) El Feky, Adel; Gillies, Katie; Gardner, Heidi; Fraser, Cynthia; Ishaku, Timothy; Treweek, Shaun; University of Aberdeen.Medicine, Medical Sciences & Nutrition; University of Aberdeen.Aberdeen Centre for Evaluation; University of Aberdeen.Institute of Applied Health Sciences