Cassidy, J D The immediate effect of manipulation vs. mobilization on pain and range of motion in the cervical spine: a randomized controlled trial. [electronic resource] - Journal of manipulative and physiological therapeutics May 1993 - 279-80 p. digital Publication Type: Clinical Trial; Comment; Letter; Randomized Controlled Trial ISSN: 0161-4754 Subjects--Topical Terms: Cervical Vertebrae--physiologyHumansManipulation, Orthopedic--methodsRange of Motion, Articular