Zeinab Samnia, et al. “THE EFFECT OF LOW DOSE NICOTINE ON WORKING MEMORY AND POSITIVE EMOTION IN PATIENTS WITH MILD COGNITIVE IMPAIRMENT”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 30, no. 18, Nov. 2023, pp. 2003-16, https://doi.org/10.53555/jptcp.v30i18.1838.