title: Ultrastructural qualitative and quantitative evaluation of cytoplasmatic structures of heart muscle of rats living aboard biosputnik Kosmos 936.
mesh_terms: D000818:Animals; D006003:Glycogen / Q000378:metabolism; D006112:Gravitation; D009206:Myocardium / Q000378:metabolism / Q000648:ultrastructure*; D051381:Rats; D013026:Space Flight; D014893:Weightlessness
chemical_list: D006003:Glycogen