Occurrence of D-aspartic acid and N-methyl-D-aspartic acid in rat neuroendocrine tissues and their role in the modulation of luteinizing homone and growth hormone release. - D'Aniello,A.; Di Fiore,M.M.; Fisher,G.H.; Milone,A.; Seleni,A.; D'Aniello,S.; Perna,A.F.; Ingrosso,D. (FASEB J, 2000)