4 men with hypogonadism and tle had persistently subnormal serum testosterone , with a blunted luteinising hormone ( lh ) response to luteinising hormone releasing hormone ( lhrh ) in 2 and , in these men , unlike those with isolated hypogonadism , there was no improvement in libido or potency when parenteral testosterone was given .
C0020619
hypogonadism
C0039601
testosterone