I would be most obliged if anyone could get these.
Guidotti, A., et al. "Studies on endogenous ligands (endacoids) for the benzodiazepine/beta carboline binding sites." Advances in biochemical psychopharmacology 41 (1985): 137-148.
Rommelspacher, H. "The beta-carbolines (harmanes)-a new class of endogenous compounds: their relevance for the pathogenesis and treatment of psychiatric and neurological diseases." Pharmacopsychiatria 14.4 (1981): 117-125.
Guidotti, A., et al. "Studies on endogenous ligands (endacoids) for the benzodiazepine/beta carboline binding sites." Advances in biochemical psychopharmacology 41 (1985): 137-148.
Rommelspacher, H. "The beta-carbolines (harmanes)-a new class of endogenous compounds: their relevance for the pathogenesis and treatment of psychiatric and neurological diseases." Pharmacopsychiatria 14.4 (1981): 117-125.