TY - RPRT TI - Classification criteria for mild cognitive impairment: a population-based validation study. AU - K Ritchie AU - S Artero AU - J Touchon PY - 2001 DO - 10.1212/wnl.56.1.37 UR - https://pubmed.ncbi.nlm.nih.gov/11148233/ ID - 11148233 ER -