Vatev, N., Stoycheva, M., Petrov, A., Atanasova, M. Relative share of asymptomatic forms of hepatitis A in Plovdiv region, Bulgaria. Plovdiv: 2011 42-46,.
Vatev, N., Stoycheva, M., Petrov, A., Atanasova, M. Relative share of asymptomatic forms of hepatitis A in Plovdiv region, Bulgaria. Plovdiv: 2011 42-46,.
Vatev, N., Stoycheva, M., Petrov, A., Atanasova, M. (2011) Relative share of asymptomatic forms of hepatitis A in Plovdiv region, Bulgaria, Plovdiv: 42-46,.
Vatev, N., Stoycheva, M., Petrov, A., & Atanasova, M. (2011). Relative share of asymptomatic forms of hepatitis A in Plovdiv region, Bulgaria. Plovdiv: 42-46.
Vatev N, Stoycheva M, Petrov A, Atanasova M. Relative share of asymptomatic forms of hepatitis A in Plovdiv region, Bulgaria. Plovdiv: 2011. p. 42-46.