RT Journal Article SR Electronic T1 Dementia and door-to-door studies in Spain. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 874 DO 10.1136/jnnp.57.7.874 VO 57 IS 7 A1 F Bermejo A1 J M Morales YR 1994 UL http://jnnp.bmj.com/content/57/7/874.1.abstract AB