Popivanova, N., Boykinova, O., Baltadzhiev, I., Stoilova, Y., Novakov, S., Dineva, A., Nikolov, V. Human Hepatitis Viruses B and C among HIV-infected patients - clinical and epidemiological features. Sofia: 2009 17-19,.
Popivanova, N., Boykinova, O., Baltadzhiev, I., Stoilova, Y., Novakov, S., Dineva, A., Nikolov, V. Human Hepatitis Viruses B and C among HIV-infected patients - clinical and epidemiological features. Sofia: 2009 17-19,.
Popivanova, N., Boykinova, O., Baltadzhiev, I., Stoilova, Y., Novakov, S., Dineva, A., Nikolov, V. (2009) Human Hepatitis Viruses B and C among HIV-infected patients - clinical and epidemiological features, Sofia: 17-19,.
Popivanova, N., Boykinova, O., Baltadzhiev, I., Stoilova, Y., Novakov, S., Dineva, A., & Nikolov, V. (2009). Human Hepatitis Viruses B and C among HIV-infected patients - clinical and epidemiological features. Sofia: 17-19.
Popivanova N, Boykinova O, Baltadzhiev I, Stoilova Y, Novakov S, Dineva A, et al. Human Hepatitis Viruses B and C among HIV-infected patients - clinical and epidemiological features. Sofia: 2009. p. 17-19.