Wieteska AK, Majchrzyk I, Herdynska M, Foremny J, Zembala M. Nursing risk assessment of postoperative complications in patients aged over 75, qualified for cardiosurgery operations. ijnd [Internet]. 2017 Apr. 30 [cited 2024 Apr. 27];7(4):81-4. Available from: http://innovativejournal.in/index.php/ijnd/article/view/1878