Lindsay, W R A comparison of the effects of four therapy procedures on concentration and responsiveness in people with profound learning disabilities. [electronic resource] - Journal of intellectual disability research : JIDR Jun 1997 - 201-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0964-2633 Subjects--Topical Terms: Activities of Daily Living--psychologyAdultAromatherapyAttentionCross-Over StudiesExercise TherapyFemaleHumansIntellectual Disability--psychologyMaleMassageMiddle AgedRelaxation TherapySocial EnvironmentTreatment Outcome