Omboon Luanratanaอ้อมบุญ ล้วนรัตน์Mahidol University. Faculty of Pharmacy. Department of Pharmacognosy2010-03-262011-08-292021-05-172010-03-262011-08-292021-05-172010-03-261984Mahidol University Journal of Pharmaceutical Sciences. Vol. 11, No.1 (1984), 8-11.0125-1570https://repository.li.mahidol.ac.th/handle/123456789/62200application/pdfengMahidol UniversityNarcoticsAlkaloidsOriginal Article