Positive messages may reduce patient pain: A meta-analysis by Howick, J, Lewith, G, Mebius, A, Fanshawe, TR, Bishop, F, van Osch, M, van Dulmen, S, Christelis, N, Kaptchuk, T, Mistiaen, P

Positive “framing” as a powerful medication for pain: A meta-analysis of randomized trials by Howick, J, Fanshawe, TR, Mebius, A, Bishop, F, van Osch, M, van Dulmen, S, Christelis, N, Kaptchuk, T, Lewith, G, Mistiaen, P