Epidemiological study on hepatitis B infection in Plovdiv (Bulgaria). Athens: Papazissis pub., 2010 485-491,.
Epidemiological study on hepatitis B infection in Plovdiv (Bulgaria). Athens: Papazissis pub., 2010 485-491,.
(2010) Epidemiological study on hepatitis B infection in Plovdiv (Bulgaria), Athens: Papazissis pub. 485-491,.
(2010). 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 (с. 485-491). Athens: Papazissis pub..
Epidemiological study on hepatitis B infection in Plovdiv (Bulgaria). Athens: Papazissis pub.; 2010. p. 485-491.