analysis of phospholipids by quantitative thinlayer chromatography revealed a distinct increase in phosphatidyl choline ( lecithin ) to 35.5 +/- sd 1.3 % of the total ( normal : 28.2 +/- 1.4 % ) in erythrocytes of affected members of the family , but not in the cells of unaffected relatives .
C1959616
phosphatidyl choline
C0031617
lecithin