title: Ultrastructural changes in the plasma membrane and sarcoplasmic reticulum of myocardial cells during hibernation.
mesh_terms: D000818:Animals; D002462:Cell Membrane; D006605:Hibernation; D008854:Microscopy, Electron; D009206:Myocardium / Q000166:cytology*; D012589:Sciuridae; D013194:Staining and Labeling