บุญธรรม ร, ฉิมหัวร้อง พ. Efficiency Development and Validate Method in Quantitation of Methamphetamine in Drug Addict by Headspace - GC/MS. J Health Sci Thai [Internet]. 2022Jan.6 [cited 2024Jul.22];30(6):1134-47. Available from: https://thaidj.org/index.php/JHS/article/view/11574