The effectiveness of Benson's relaxation technique on pain and perceived stress among patients undergoing hemodialysis: a double-blind, cluster-randomized, active control clinical... by Abu Maloh, Haya Ibrahim Ali, Soh, Kim Lam, Chong, Seng Choi, Ismail, Siti Irma Fadhilah, Soh, Kim Geok, Abu Maloh, Dima Ibrahim, Al Yateem, Nabeel, Aburuz, Mohannad Eid