M. F. Khan, F. e Rabbani, M. M. ul H. Azeemi, N. R. Awan, N. Zahoor, and Z. Nazar, “A FOLLOW UP STUDY OF USE OF MEMANTINE ON COGNITIVE FUNCTIONS AND LEVEL OF DEPENDENCY OF PATIENTS WITH ALZHEIMER’S DEMENTIA”, J Postgrad Med Inst, vol. 28, no. 1, Jan. 2014.