mediobasal hypothalami of 18-month-old male rats were perifused in vitro either in the presence or in the absence of a gnrh agonistic analogue ( buserelin : [ d-ser ( tbu ) 6 , des-gly10 ] gnrh ethylamide ) and stimulated with 5-min pulses of k+ ( for a total of six pulses ) in order to test their ability to release gnrh .
C0006456
buserelin
C0023610
gnrh