The endomyocardial biopsy.
D001706:Biopsy; D006352:Heart Ventricles / Q000473:pathology; D006801:Humans; D008854:Microscopy, Electron; D009206:Myocardium / Q000473:pathology*; D013048:Specimen Handling; D013194:Staining and Labeling / Q000379:methods