Methods to improve recruitment to randomised controlled trials : Cochrane systematic review and meta-analysis
Citation
Treweek , S , Lockhart , P , Pitkethly , M , Cook , J A , Kjeldstrøm , M , Johansen , M , Taskila , T K , Sullivan , F M , Wilson , S , Jackson , C , Jones , R & Mitchell , E D 2013 , ' Methods to improve recruitment to randomised controlled trials : Cochrane systematic review and meta-analysis ' , BMJ Open , vol. 3 , no. 2 , e002360 . https://doi.org/10.1136/bmjopen-2012-002360