Tabinda Kazmi, Ameena Nasir, Qanita Mahmud, Muhammad Imran Aftab, Jaleel Kamran, and Sobia Parveen, “ASSOCIATION OF SERUM INSULIN GROWTH FACTOR I WITH DEMENTIA IN PARKINSON ’S DISEASE”, J Popl Ther Clin Pharmacol, vol. 29, no. 04, pp. 4590–4595, Oct. 2022, doi: 10.53555/qk37vx26.