Johansson M, Bero L, Bonfill X, Bruschettini M, Garner S, Glenton C, Harris R, Jørgensen KJ, Levinson W, Lotfi T, Montori V, Meng DM, Schünemann H, Vaz Carneiro A, Woloshin S, Moynihan R. Cochrane Sustainable Healthcare: evidence for action on too much medicine. Cochrane Database Syst Rev. 2019 12 06; 12:ED000143.