TY - JOUR A1 - Erkinjuntti, T. A1 - Sulkava, R. A1 - Wikström, J. A1 - Autio, L. T1 - Short portable mental status questionnaire as a screening test for dementia and delirium among the elderly Y1 - 1987 DO - 10.1111/j.1532-5415.1987.tb04662.x VL - 35 ER -