Snezhinka Tsvetkova

Double aneuploidy 48,ХХХ,+21 of a Bulgarian newborn with Down phenotype: a case report

E. Kovachev, L. Angelova, M. Levkova, 2020, Egyptian Journal of Medical Human Genetics.

Results of screening and treatment of retinopathy of prematurity over a 10-year period in one neonatal unit of Bulgaria

K. Dokova, G. Adams, S. Nikolova, 2006 .