in order to evaluate the quantitative role of cytidinediphosphate-choline and phosphatidyl-ethanolamine-methylation pathways in the synthesis of phosphatidylcholine in human liver tissue , the incorporation rate of [ 14c ] choline and [ 14c ] methyl-methionine into liver lecithins was determined .
C1959616
phosphatidylcholine
C0031617
lecithins