Shipkovenska, E., Hristova, D. Epidemiology of non-communicable chronic diseases (Bulgaria). Athens: Papazissis pub., 2009 33-37,.
Shipkovenska, E., Hristova, D. Epidemiology of non-communicable chronic diseases (Bulgaria). Athens: Papazissis pub., 2009 33-37,.
Shipkovenska, E., Hristova, D. (2009) Epidemiology of non-communicable chronic diseases (Bulgaria), Athens: Papazissis pub. 33-37,.
Shipkovenska, E., & Hristova, D. (2009). Epidemiology of non-communicable chronic diseases (Bulgaria). Aspects of public health and health care policies in Greece and Bulgaria (с. 33-37). Athens: Papazissis pub..
Shipkovenska E, Hristova D. Epidemiology of non-communicable chronic diseases (Bulgaria). Athens: Papazissis pub.; 2009. p. 33-37.