1.
Hamonangan Nasution A, Lelo A. Catechol-O-Methyltransferase (COMT) Enzyme Level In Preoperative Anxiety Patients . JSocMed [Internet]. 2022 Oct. 8 [cited 2026 Jun. 13];1(1):25-30. Available from: https://www.jsocmed.org/go/article/view/5