dr Zbigniew Halat, MD, Medical Epidemiology Cons🍊 on GETTR
dr Z Halat, epidemiologist, early 90., deputy minister of health for sanitary-epidemiological matters, chief sanitary inspector in three governments of Poland
dr Z Halat, epidemiologist,  early 90., deputy minister of health for sanitary-epidemiological matters, chief sanitary inspector in three  governments of Poland