TY - JOUR T1 - Cerebral oxygen extraction fraction as an emerging imaging biomarker in mild cognitive impairment and dementia JO - Dementia & Neuropsychologia A1 - Hussain, Jawairya Muhammad A1 - Lashari, Aina A1 - Nageen, Wazeema A1 - Siddiqui, Amna A1 - Waris, Abdul A1 - Maliha, Syeda A1 - Mudasir, Aisha A1 - Rehman, Madyana Bibi Abdul A1 - Rahman, Mariyam Hifz ur SN - 1980-5764 UL - 10.1590/1980-5764-DN-2025-0412 VL - 20 Y1 - 2026 PB - Brasil ER -