1. Cushing's syndrome caused by a neuroendocrine carcinoma of the ampulla of Vater with ectopic adrenocorticotropic hormone secretion
    Cristina Robles Lázaro et al, 2018, Medicina Clínica (English Edition) CrossRef
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    B Alliet et al, 2024, Acta Gastro Enterologica Belgica CrossRef
  3. Ectopic ACTH Production: Diagnosis, Treatment and Prognosis
    Tom Wells, 2016, Journal of Cancer Prevention & Current Research CrossRef
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    Cristina Robles Lázaro et al, 2018, Medicina Clínica CrossRef
  5. Endoscopic diagnosis and treatment of neuroendocrine tumors of the digestive system
    Luigi Sivero et al, 2016, Open Medicine CrossRef