MARCHENKO, A.; STRASHNYUK, V.; KAKPAKOV, V. EFFECTS OF PREPARATION VESB, CONTAINING 20OH-ECDYSTERONE, ON LEVEL OF POLYTENY OF GIANT CHROMOSOMES IN DROSOPHILA MELANOGASTER MEIG. DEPENDING ON GENOTYPE. The Journal of V.N.Karazin Kharkiv National University. Series «Biology», v. 1, n. 709, p. 91-97, 22 Dec. 2005.