title: Transvenous endomyocardial biopsy using the gastrointestinal biopsy (Olympus GFB) catheter.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001706:Biopsy / Q000009:adverse effects / Q000295:instrumentation*; D006328:Cardiac Catheterization / Q000295:instrumentation*; D002648:Child; D004562:Electrocardiography; D004699:Endocardium / Q000473:pathology; D005260:Female; D005336:Fiber Optic Technology; D020699:Gastroscopes; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009206:Myocardium / Q000473:pathology*; D013193:Stainless Steel
chemical_list: D013193:Stainless Steel