Secretion of corticotrophin and somatotrophin by the senescent adenohypophysis in man. An assessment based on the hypothalamic-hypophyseal-adrenocortical function and the somatrotrophin level in blood in the presence of basal conditions, during stimulation tests, and in connection with major surgery - Blichert-Toft, Mogens (Acta endocrinologica. Supplementum, 1975)