GnRH agonist stimulation of the pituitary-gonadal axis in children: age and sex differences in circulating inhibin-B and activin-A.
Elsholz DD, Padmanabhan V, Rosenfield RL, Olton PR, Phillips DJ, Foster CM. GnRH agonist stimulation of the pituitary-gonadal axis in children: age and sex differences in circulating inhibin-B and activin-A. Hum Reprod. 2004 Dec; 19(12):2748-58.