three boys , with precocious sexual development at 1 to 4 years of age , had low basal plasma gonadotropin values without pubertal-type pulsatility and a minimal rise in luteinizing hormone after acute stimulation with luteinizing hormone releasing factor or its potent analog d-trp6-pro9-net-lrf , distinguishing them from boys with true precocious puberty .
C0023610
luteinizing hormone releasing
C0034013
true precocious puberty