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Frej, Cecilia, Anders Andersson, Benny Larsson, Li Jun Guo, Eva Norström, Kaisa E. Happonen, and Björn Dahlbäck. "Quantification of Sphingosine 1-phosphate By Validated LC-MS/MS Method Revealing Strong Correlation With Apolipoprotein M in Plasma but Not in Serum Due to Platelet Activation During Blood Coagulation." Anal Bioanal Chem 2015.

Frej, Cecilia, et al. "Quantification of Sphingosine 1-phosphate By Validated LC-MS/MS Method Revealing Strong Correlation With Apolipoprotein M in Plasma but Not in Serum Due to Platelet Activation During Blood Coagulation." Anal Bioanal Chem 2015.