First report of a FXII gene mutation in a Brazilian family with hereditary angio‐oedema with normal C1 inhibitor. (1st October 2015) - Stieber, C.; Grumach, A.S.; Cordeiro, E.; Constantino‐Silva, R.N.; Barth, S.; Hoffmann, P.; Pesquero, J.B.; Renné, T.; Nöthen, M.M.; Cichon, S.