Distribution of RET Mutations in Multiple Endocrine Neoplasia 2 in Denmark 1994-2014: A Nationwide Study. - Mathiesen JS; Kroustrup JP; Vestergaard P; Stochholm K; Poulsen PL; Rasmussen ÅK; Feldt-Rasmussen U; Gaustadnes M; Ørntoft TF; van Overeem Hansen T; Nielsen FC; Brixen K; et al. (Thyroid : official journal of the American Thyroid Association, 2017)