The method of production and modification of highly disperse silica for pharmaceutical and cosmetic preparations - Mofa, Nina; Kalieva, Assem; Chernoglazova, Tatyana; Shabanova, Tatyana; Sabayev, Zhandarbek; Sadykov, Bakhtiyar; Oserov, Timur; Vasin, Konstantin; Mansurov, Zulkhair (Chemical Bulletin of Kazakh National University, 2015)