mean plasma levels in adults of pg falpha and pg e , expressed in pg/ml : -pg falpha 12 +/- 2.8 ( n- 25 men ) , 8 +/- 2.3 ( n= 18 women , follicular phase ) , 7 +/- 1.4 ( n= 18 women , luteal phase ) .
C0033559
pg e
C0033554
pg