Petrov, A., Vatev, N., Stoycheva, M., Boev, I., Venchev, C. Upon some epidemiological, clinical and laboratory characteristics of the outbreak of measles in the region of Plovdiv, February-June 2010. Sofia: 2011 17-18,.
Petrov, A., Vatev, N., Stoycheva, M., Boev, I., Venchev, C. Upon some epidemiological, clinical and laboratory characteristics of the outbreak of measles in the region of Plovdiv, February-June 2010. Sofia: 2011 17-18,.
Petrov, A., Vatev, N., Stoycheva, M., Boev, I., Venchev, C. (2011) Upon some epidemiological, clinical and laboratory characteristics of the outbreak of measles in the region of Plovdiv, February-June 2010, Sofia: 17-18,.
Petrov, A., Vatev, N., Stoycheva, M., Boev, I., & Venchev, C. (2011). Upon some epidemiological, clinical and laboratory characteristics of the outbreak of measles in the region of Plovdiv, February-June 2010. Sofia: 17-18.
Petrov A, Vatev N, Stoycheva M, Boev I, Venchev C. Upon some epidemiological, clinical and laboratory characteristics of the outbreak of measles in the region of Plovdiv, February-June 2010. Sofia: 2011. p. 17-18.