to assess the magnitude of reutilization of surfactant phosphatidylcholine , 68 3-day-old rabbits were injected intratracheally with a trace dose of [ 3h ] choline-labeled surfactant mixed with [ 14c ] palmitate-labeled synthetic dipalmitoylphosphatidylcholine .
C1959616
phosphatidylcholine
C0000039
dipalmitoylphosphatidylcholine