ovarian vein draining corpus luteum had significantly higher plasma oxytocin ( 11.8 +/- 1.5 pg/ml ) than those without corpus luteum ( 2.1 +/- 0.2 pg/ml ) or in the peripheral blood ( 2.9 +/- 0.3 pg/ml ) ( p = less than 0.001 ) .
C0032105
plasma
C0229664
peripheral blood