title: The fluid state of lecithin bilayers.
mesh_terms: D002151:Calorimetry; D004578:Electron Spin Resonance Spectroscopy; D005461:Fluorine; D009682:Magnetic Resonance Spectroscopy; D008567:Membranes, Artificial; D008968:Molecular Conformation; D010713:Phosphatidylcholines; D013696:Temperature; D013816:Thermodynamics; D014465:Ultrasonics
chemical_list: D008567:Membranes, Artificial; D010713:Phosphatidylcholines; D005461:Fluorine