fish oil ingestion reduced concentrations of one- and two series prostaglandins ( mean reduction in pge 's = 37 % , in pgf 's = 20 % , p less than 0.05 ) , while more than doubling the low amounts of pge3 and pgf3 alpha , and their previously undescribed 19-hydroxy derivatives .
C0033554
prostaglandins
C0033559
pge 's