Aberoomand Azar, P., Zare, K., Saber-Tehrani, M., Jafari Kokhedan, A., Vafaei, A., & Nekoei, M. (2013). Chemical Composition of Essential Oil of Stachys pilifera Benth by Hydrodistillation, Head Space-Solid Phase Microextraction and Solvent Free Microwave Extraction Methods and QSRR Evaluation. Asian Journal of Chemistry, 25(8), 4242–4246. https://doi.org/10.14233/ajchem.2013.13919