Comparison of chromogenic and ELISA functional C1 inhibitor tests in diagnosing hereditary angioedema.
Li HH, Busse P, Lumry WR, Frazer-Abel A, Levy H, Steele T, Dayno J, Riedl M. Comparison of chromogenic and ELISA functional C1 inhibitor tests in diagnosing hereditary angioedema. J Allergy Clin Immunol Pract. 2015 Mar-Apr; 3(2):200-5.