. "Weichert" . "49" . . . "22" . . "1970-01-01T00:00:00Z"^^ . "The neural ectodermal origin of the peptide-secreting endocrine glands: A unifying concept for the etiology of multiple endocrine adenomatosis and the inappropriate secretion of peptide hormones by nonendocrine tumors"@en . . "232" . .