Nurziilal Mazlan, Cognitive impairment in elderly patients with polypharmacy and its associated factors attending Klinik Primer Hospital Canselor Tuanku Muhriz (HCTM) : a cross sectional study / Nurziilal Mazlan. - ix, 47 pages : 30 cm. ISBN: Hadiah Subjects--Topical Terms: Cognitive Dysfunction--diagnosis.Polypharmacy--prevention & control.Cognitive Dysfunction--ethnology.INDAMET.