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2. The endodermal origin of digestive and respiratory tract APUD cells. Histopathologic evidence and a review of the literature;Sidhu;Amer. J. Path.,1979
3. Immunocytochemistry (Basic and Clinical Immunology Series);Sternberger,1979
4. Immunoperoxidase techniques: practical and theoretical aspects;Taylor;Arch. Path. Lab. Med.,1978
5. An enteroglucagon tumour;Bloom;Gut,1972