title: The dependence of ultrasonic attenuation and backscatter on collagen content in dog and rabbit hearts.
mesh_terms: D000818:Animals; D001157:Arterial Occlusive Diseases / Q000503:physiopathology; D002021:Buffers; D003094:Collagen; D003331:Coronary Vessels / Q000503:physiopathology; D004285:Dogs; D006909:Hydroxyproline; D003012:Microbial Collagenase / Q000494:pharmacology; D009203:Myocardial Infarction / Q000503:physiopathology; D009206:Myocardium / Q000473:pathology*; D011817:Rabbits; D014465:Ultrasonics
chemical_list: D002021:Buffers; D003094:Collagen; D003012:Microbial Collagenase; D006909:Hydroxyproline