platelet retention in uterine vein blood ( 11 +/- 4 % ) was significantly lower than in peripheral blood ( 42 +/- 4 % ; p less than 0.01 ) and the degree of platelet retention correlated inversely with the plasma concentration of 6-oxo-pgf1 alpha ( r -0.43 ; p less than 0.01 ) .
C0229664
peripheral blood
C0005821
platelet