V. P. Jyotsna, N. Raizada, S. Chakraborty, S. Pal: Acanthosis nigricans in insulinoma. In: Indian journal of endocrinology and metabolism. Band 18, Nummer 5, September 2014, S. 739, doi:10.4103/2230-8210.139223, PMID 25285297, PMC 4171903 (freier Volltext).
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V. P. Jyotsna, N. Raizada, S. Chakraborty, S. Pal: Acanthosis nigricans in insulinoma. In: Indian journal of endocrinology and metabolism. Band 18, Nummer 5, September 2014, S. 739, doi:10.4103/2230-8210.139223, PMID 25285297, PMC 4171903 (freier Volltext).