phosphatidylcholine (18:0/20:2, 20:0/18:2) measurement
phosphatidylcholine (18:0/20:2, 20:0/18:2) measurement
phosphatidylcholine (18:0/20:2, 20:0/18:2) measurement
phosphatidylcholine (18:0/20:2, 20:0/18:2) measurement