Mahran, Ghada Shalaby Effect of Eye Masks on Pain and Sleep Quality in Patients Undergoing Cardiac Surgery: A Randomized Controlled Trial. [electronic resource] - Critical care nurse Feb 2020 - 27-35 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1940-8250 Standard No.: 10.4037/ccn2020709 doi Subjects--Topical Terms: AdultCardiac Surgical ProceduresCritical Care Nursing--methodsFemaleHumansMaleMasksMiddle AgedPain Management--instrumentationPain, Postoperative--nursingSleep--physiology