Padmaja, V., Madhavi, G., Rosaiah, G. and Babu, K. 2022. Ball Milling Synthesis of Herbal Nanopowders from Various Parts of Rauwolfia Serpentina, and their GC-MS Analysis and Evaluation Of Antimicrobial Activity. Current Trends in Biotechnology and Pharmacy. 16, 3 (Aug. 2022), 373–383. DOI:https://doi.org/10.5530/ctbp.2022.3.51.