title: A direct method for determination of membrane electron density profiles on an absolute scale.
mesh_terms: D002784:Cholesterol / Q000031:analogs & derivatives; D008566:Membranes / Q000648:ultrastructure*; D008567:Membranes, Artificial; D010713:Phosphatidylcholines; D014961:X-Ray Diffraction / Q000379:methods
chemical_list: D008567:Membranes, Artificial; D010713:Phosphatidylcholines; D002784:Cholesterol