Prost, Audrey ; Binik, Ariella ; Abubakar, Ibrahim ; Roy, Anjana ; De Allegri, Manuela ; Mouchoux, Christelle ; Dreischulte, Tobias ; Ayles, Helen ; Lewis, James J. ; Osrin, David (2015) Logistic, ethical, and political dimensions of stepped wedge trials: critical review and case studies. Trials, 16 (351). pp. 1-11. ISSN 1468-6694