title: Psychosocial intervention research: challenges, strategies and measurement issues.
authors.forename: M S
authors.initials: MS
authors.lastname: Mittelman
mesh_terms: D017028:Caregivers / Q000523:psychology*; D003704:Dementia / Q000523:psychology*; D003863:Depression / Q000523:psychology / Q000628:therapy; D012107:Research Design / Q000639:trends