title: Letter: Some comments on "myelin membrane structure as revealed by x-ray diffraction" by David Harker.
mesh_terms: D002462:Cell Membrane / Q000032:analysis; D004583:Electrons; D008567:Membranes, Artificial; D009186:Myelin Sheath / Q000032:analysis* / Q000166:cytology; D009992:Osmium; D013395:Sucrose; D014867:Water; D014961:X-Ray Diffraction
chemical_list: D008567:Membranes, Artificial; D014867:Water; D009992:Osmium; D013395:Sucrose