Blunted response of growth hormone to clonidine and apomorphine in endogenous depression. - Ansseau,M.; Von Freckell,R.; Cerfontaine,J.L.; Papart,P.; Franck,G.; Timsit-Berthier,M.; Geenen,V.; Legros,J.J. (Br J Psychiat, 1988)