The effect of two lottery-style incentives on response rates to postal questionnaires in a prospective cohort study in preschool children at high risk of asthma: a randomized trial by van der Mark, Lonneke B, van Wonderen, Karina E, Mohrs, Jacob, Bindels, Patrick Je, Puhan, Milo A, Ter Riet, Gerben

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Predicting asthma in preschool children at high risk presenting in primary care: development of a clinical asthma prediction score by van der Mark, Lonneke B, van Wonderen, Karina E, Mohrs, Jacob, van Aalderen, Wim M C, ter Riet, Gerben, Bindels, Patrick J E

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Prediction and treatment of asthma in preschool children at risk: study design and baseline data of a prospective cohort study in general practice (ARCADE) by van Wonderen, Karina E, van der Mark, Lonneke B, Mohrs, Jacob, Geskus, Ronald B, van der Wal, Willem M, van Aalderen, Wim M C, Bindels, Patrick J E, ter Riet, Gerben

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Two simple strategies (adding a logo or a senior faculty's signature) failed to improve patient participation rates in a cohort study: randomized trial by van Wonderen, Karina E, Mohrs, Jacob, IJff, Machteld, Bindels, Patrick J.E, ter Riet, Gerben

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Encouraging participation in medical research: what strategies work? by Morton, Lindsay M

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