Sarropoulou, V. and Maloupa, .E. 2019. Effect of glycine betaine, polyvinylpyrrolidone and D-mannitol on micropropagation of Sideritis raeseri Boiss and Heldr. subsp. Raeseri. GSC Biological and Pharmaceutical Sciences. 7, 2 (May 2019), 029–042. DOI:https://doi.org/10.30574/gscbps.2019.7.2.0081.