Tzenova, B., Sapundzhiev, K., Hristov, J. Work strain and gastrointestinal complaints in health sector settings. Athens: Papazissis pub., 2011 801-810,.
Tzenova, B., Sapundzhiev, K., Hristov, J. Work strain and gastrointestinal complaints in health sector settings. Athens: Papazissis pub., 2011 801-810,.
Tzenova, B., Sapundzhiev, K., Hristov, J. (2011) Work strain and gastrointestinal complaints in health sector settings, Athens: Papazissis pub. 801-810,.
Tzenova, B., Sapundzhiev, K., & Hristov, J. (2011). Work strain and gastrointestinal complaints in health sector settings. Public health and health care in Greece and Bulgaria : The challenge of the cross-border collaboration in times of financial crisis, Papazissis pub. 801-810.
Tzenova B, Sapundzhiev K, Hristov J. Work strain and gastrointestinal complaints in health sector settings. Public health and health care in Greece and Bulgaria : The challenge of the cross-border collaboration in times of financial crisis. 2011; 801-810.
