Diagnostic biopsy of the pericardium and myocardium.
D001706:Biopsy; D009202:Cardiomyopathies; D004194:Disease; D006321:Heart; D006331:Heart Diseases; D006801:Humans; D009206:Myocardium; D010496:Pericardium / Q000473:pathology*
MYOCARDIUM/diseases; PERICARDIUM/pathology