Stefanova-Petrova, D. V., Tzvetanska, A. H., Naumova, E. J., Mihailova, A. P., Hadjiev, E. A., Dikova, R. P., . . . Tchernev, K. G. (2007). Chronic hepatitis C virus infection: Prevalence of extrahepatic manifestations and association with cryoglobulinemia in Bulgarian patients. World J Gastroenterol.

Stefanova-Petrova, Diana V., Anelia H. Tzvetanska, Elisaveta J. Naumova, Anastasia P. Mihailova, Evgenii A. Hadjiev, Rumiana P. Dikova, Mircho I. Vukov, a Konstantin G. Tchernev. "Chronic Hepatitis C Virus Infection: Prevalence of Extrahepatic Manifestations and Association With Cryoglobulinemia in Bulgarian Patients." World J Gastroenterol 2007.

Stefanova-Petrova, Diana V., et al. "Chronic Hepatitis C Virus Infection: Prevalence of Extrahepatic Manifestations and Association With Cryoglobulinemia in Bulgarian Patients." World J Gastroenterol 2007.