Oktariza Y, Amalia L, Sobaryati S, Kurniawati MY. Validation and Reliability of the Indonesian PDQ-39 Questionnaire in Parkinson’s Disease Patients. Acta Pharm. Ind. [Internet]. 2025Dec.24 [cited 2026Jan.19];50(2):117 - 25. Available from: https://journals.itb.ac.id/index.php/acta/article/view/25127