title: Altered collagen fibril structure in the spontaneous rupture of chordae tendineae. A brief communication.
mesh_terms: D002815:Chordae Tendineae / Q000648:ultrastructure*; D003094:Collagen / Q000378:metabolism*; D006331:Heart Diseases / Q000473:pathology*; D006801:Humans; D008854:Microscopy, Electron; D012422:Rupture, Spontaneous
chemical_list: D003094:Collagen