The Subject Of The Order Is The Provision Of Health Services In The Field Of Perfusionist Care On Weekdays And On Saturdays, Sundays And Holidays From 7:30 A.M. To 7:30 P.M., 7:30 P.M. To 7:30 A.M. In The Department Of Cardiac Surgery And Transplantology At The Stefan Cardinal Wyszyński National Institute Of Cardiology - National Research Institute In Warsaw At Ul. Alpejska 42.