the menstrual plasma prl level was significantly higher than its peripheral blood level on day 1 ( 63.3 +/- 14.7 and 12.1 +/- 2.9 micrograms/l , respectively ; t = 3.331 ; p less than 0.01 ) , and menstrual prl was significantly higher on day 1 than on day 2 ( t = 3.340 ; p less than 0.01 ) .
C0032105
plasma
C0229664
peripheral blood