Quality assurance of herbal drug valerian by chemotaxonomic markers
Mushtaq Ahmad1, Mir Ajab Khan1, Umer Rashid2, Muhammad Zafar1*, Muhammad Arshad3 and Shazia Sultana1
1Department of Plant Sciences, Quaid-i-Azam University Islamabad Pakistan.
2Department of Chemistry and Biochemistry, University of Agriculture, Faisalabad-38040, Pakistan.
3Department of Botany, Pir Mehr Ali Shah University, Rawalpindi Pakistan.
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