Arumugam, A. and Gopinath, K. 2013. In vitro Regeneration of an Endangered Medicinal Plant Withania somnifera using Four Different Explants. Plant Tissue Culture and Biotechnology. 23, 1 (Jul. 2013), 79?85. DOI:https://doi.org/10.3329/ptcb.v23i1.15564.