title: Studies on the state of phosphatidylcholine molecules before and after ultrasonic and gel-filtration treatments.
mesh_terms: D000818:Animals; D002850:Chromatography, Gel; D002855:Chromatography, Thin Layer; D004530:Egg Yolk; D005260:Female; D008567:Membranes, Artificial; D008722:Methods; D010713:Phosphatidylcholines; D010740:Phospholipases; D012911:Snakes; D013053:Spectrophotometry; D014465:Ultrasonics; D014466:Ultraviolet Rays; D014732:Vibration
chemical_list: D008567:Membranes, Artificial; D010713:Phosphatidylcholines; D010740:Phospholipases