Veeravan Lekskulchai. (2017) Development of a Thin Layer Chromatographic Method for Simultaneously Screening Multiple Drugs in Serum. <i>Journal of Health Research</i>, <i>31</i>(5), 411.Veeravan Lekskulchai. "Development of a Thin Layer Chromatographic Method for Simultaneously Screening Multiple Drugs in Serum". Journal of Health Research 31 (2017):411.Veeravan Lekskulchai. Development of a Thin Layer Chromatographic Method for Simultaneously Screening Multiple Drugs in Serum. Chulalongkorn University Press:ม.ป.ท. 2017.