Excretion of Cyclic 3', 5'-Adenosine Monophosphate in Renal Insufficiency and Primary Hyperparathyroidism after Stimulation with Parathyroid Hormone - Lilienfeld-Toal, H.v.; Hesch, R.-D.; Hüfner, M.; McIntosh, Chr. (Hormone and Metabolic Research, 1974)