Homozygosity for a factor XII mutation in one female and one male patient with hereditary angio-oedema. - Grumach, A. S.; Stieber, C.; Veronez, C. L.; Cagini, N.; Constantino‐Silva, R. N.; Cordeiro, E.; Nöthen, M. M.; Pesquero, J. B.; Cichon, S. (Allergy, 2016)