Balance of nurses' working time as exemplified by the nurses employed in intensive cardiological care units and cardiological wards.
D002300:Cardiac Care Facilities; D002318:Cardiovascular Diseases / Q000451:nursing*; D006782:Hospitals, Special; D006801:Humans; D007362:Intensive Care Units; D011044:Poland; D014937:Work; D014940:Work Schedule Tolerance; D000078329:Workforce