Evaluation Of Therapeutic Drug Monitoring Services In Duhok, Kurdistan Region, Iraq: Valproic Acid As Example. Journal of Pharmaceutical Negative Results, [S. l.], p. 3637–3644, 2023. DOI: 10.47750/pnr.2023.14.03.454. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/9766.. Acesso em: 7 jun. 2026.