title: 13 C nuclear magnetic relaxation times and models for chain motion in lecithin vesicles.
mesh_terms: D002247:Carbon Isotopes; D004578:Electron Spin Resonance Spectroscopy; D005461:Fluorine; D009682:Magnetic Resonance Spectroscopy; D008567:Membranes, Artificial; D008954:Models, Biological; D010713:Phosphatidylcholines
chemical_list: D002247:Carbon Isotopes; D008567:Membranes, Artificial; D010713:Phosphatidylcholines; D005461:Fluorine