title: Ultrastructural aspects of human myocardial capillaries during open heart surgery.
mesh_terms: D001706:Biopsy; D002196:Capillaries / Q000473:pathology*; D006348:Cardiac Surgical Procedures; D005112:Extracorporeal Circulation; D006324:Heart Arrest, Induced; D006801:Humans; D000860:Hypoxia / Q000473:pathology; D009206:Myocardium / Q000473:pathology*; D010477:Perfusion; D013997:Time Factors