ROBINS-I : a tool for assessing risk of bias in non-randomized studies of interventions

Sterne, J AC, Hernán, M A, Reeves, B C, Savović, J, Berkman, N D, Viswanathan, M, Henry, D, Altman, D G, Ansari, M T, Boutron, I, Carpenter, J R, Chan, A-W, Churchill, R, Deeks, J J, Hróbjartsson, A, Kirkham, J, Jüni, P, Loke, Y K, Pigott, T D, Ramsay, C R, Regidor, D, Rothstein, H R, Sandhu, L, Santaguida, P L, Schünemann, H J, Shea, B, Shrier, I, Tugwell, P, Turner, L, Valentine, J C, Waddington, H, Waters, E, Wells, G A, Whiting, P F & Higgins, J P 2016, 'ROBINS-I : a tool for assessing risk of bias in non-randomized studies of interventions', BMJ, vol. 355, i4919. https://doi.org/10.1136/bmj.i4919