Prayer as a pain intervention: protocol of a systematic review of randomised controlled trials
Alexandra Ferreira-Valente, Margarida Jarego, Inês Queiroz-Garcia, Filipa Pimenta, Rui Miguel Costa, Melissa A Day, José Pais-Ribeiro, Mark P Jensen
BMJ Open Jul 2021, 11 (7) e047580; DOI: 10.1136/bmjopen-2020-047580