ELEMENTAL ANALYSIS OF MEDICINAL LEECH Article Pleteneva T.V., Mokrousov A.A., Maksimova T.V., Luzanova I.S., Tambovtseva M.A., Syroeshkin A.V. Khimiko-Farmatsevticheskii Zhurnal. ООО Фолиум. Vol. 44. 2010. P. 46-48