METHOD OF STUDYING DEPTH DISTRIBUTION OF THERAPEUTIC AND DIAGNOSTIC SUBSTANCES INSIDE SPHERICAL AMORPHOUS NANOPARTICLES СтатьяKhlebnikov V.K., Boguslavsky L.I., Popenko V.I., Kaplun A.P., Shvets V.I.Nanotechnologies in Russia. Том 5. 2010. С. 709-714