Introduction In cluster randomised trials (CRT), groups (rather than individuals) are randomised to intervention and control conditions. Since the publication of the Ottawa Statement on the Ethical ...
Background Adolescence is a critical period for tobacco initiation, and intention to use tobacco strongly predicts uptake. In Nigeria, adolescent tobacco use is a growing concern requiring early ...
Background A regional trial indicated that implementing at-risk asthma registers in primary care could reduce hospital ...
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