Work strain and gastrointestinal complaints in health sector settings

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; Public health and health care in Greece and Bulgaria : The challenge of the cross-border collaboration in times of financi.