Frequency Of Non-Motor Symptom In Patients Presenting With Parkinson’s Disease At Tertiary Care Hospital In Pakistan. Journal of Pharmaceutical Negative Results, [S. l.], p. 3840–3850, 2023. DOI: 10.47750/pnr.2023.14.03.481. Disponível em: https://pnrjournal.com/index.php/home/article/view/10013.. Acesso em: 7 jun. 2026.