allocation concealment

What is the influence of randomisation sequence generation and allocation concealment on treatment effects of physical therapy trials? A meta-epidemiological study
Susan Armijo-Olivo, Humam Saltaji, Bruno R da Costa, Jorge Fuentes, Christine Ha, Greta G Cummings

BMJ Open Sep 2015, 5 (9) e008562; DOI: 10.1136/bmjopen-2015-008562

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allocation concealment