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(2013) High penetrance of pheochromocytoma in multiple endocrine neoplasia 2 caused by germ line RET codon 634 mutation in Japanese patients. Eur J Endocrinol 168: 683\u2013687.","DOI":"10.1530\/EJE-12-1106"},{"key":"2","doi-asserted-by":"publisher","unstructured":"2 Wells SA Jr, Asa SL, Dralle H, Elisei R, Evans DB, et al. (2015) Revised American Thyroid Association guidelines for the management of medullary thyroid carcinoma. Thyroid 25: 567\u2013610.","DOI":"10.1089\/thy.2014.0335"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3 Correa FA, Farias EC, Castroneves LA, Louren\u00e7o DM Jr, Hoff AO (2019) Quality of life and coping in multiple endocrine neoplasia type 2. J Endocr Soc 3: 1167\u20131174.","DOI":"10.1210\/js.2018-00371"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4 Thosani S, Ayala-Ramirez M, Palmer L, Hu MI, Rich T, et al. (2013) The characterization of pheochromocytoma and its impact on overall survival in multiple endocrine neoplasia type 2. 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