a 14n nuclear magnetic resonance ( nmr ) study of lecithins , 24-65 degrees c for dipalmitoylphosphatidylcholine ( dppc ) and 20-50 degrees c for egg yolk phosphatidylcholine ( epc ) , in single bilayer vesicles prepared by an ultrasonic method is reported .
C0031617
lecithins
C1959616
phosphatidylcholine