the fsh pulse frequency increased ( .33 +/- .11 to .55 +/- .12 pulses/h ) in saline-infused cows , but decreased ( .61 +/- .10 to .41 +/- .11 pulses/h ) in phlorizin-infused cows before the gonadotropin surge .
C0733758
fsh
C0018061
gonadotropin