Epidemiological study on hepatitis B infection in Plovdiv (Bulgaria)

Kevorkian, A., Boikinova, O., Baltadjiev, I., Hristov, J., Petrova, N., Tjutjundjiev, S., & Vatev, N. (). Epidemiological study on hepatitis B infection in Plovdiv (Bulgaria). Public health and health care in Greece and Bulgaria : The challenge of the cross-border collaboration; Public health and health care in Greece and Bulgaria : The challenge of the cross-border collaboration.