TURKISH JOURNAL OF GERIATRICS-TURK GERIATRI DERGISI, cilt.22, sa.3, ss.361-367, 2019 (SCI-Expanded, SSCI, Scopus, TRDizin)
Introduction: Previous studies have reported an association between low 25-hydroxyvitamin D (25(OH)D) levels and cognitive impairment. However, this association has not been reported in Turkish patients with cognitive impairment. We investigated this relationship in Turkish patients diagnosed with Alzheimer's disease (AD).