Chistyakova, Anna Sergeyevna, Alevtina Alekseyevna Gudkova, Ol’ga Valer’yevna Trineeva, Alla Anatol’yevna Sorokina, and Sof’ya Aleksandrovna Vasil’eva. “DEVELOPMENT AND VALIDATION OF COMPLEXOMETRIC METHODS FOR THE DETERMINATION OF CAL-CIUM AND MAGNESIUM IN MEDICINAL PLANT MATERIALS (ON THE GRASS PERSICARIA MACULOSA GRAY.)”. Chemistry of plant raw material0, no. 3 (October 22, 2020): 155-162. Accessed December 22, 2025. https://journal.asu.ru/cw/article/view/6324.