throughout the spontaneous menstrual cycle we found significant positive correlations between plasma srih and serum progesterone ( p less than 0.007 ; r = 0.5869 ) , plasma motilin and serum progesterone ( p less than 0.02 ; r = 0.5331 ) , plasma secretin and serum estradiol ( p less than 0.04 ; r = 0.4711 ) , and plasma secretin and serum prl ( p less than 0.02 ; r = 0.5507 ) .
C0032105
plasma
C0229671
serum