Title: Wilfred W Raymond, et al. Alpha 2-macroglobulin Capture Allows Detection of Mast Cell Chymase in Serum and Creates a Reservoir of Angiotensin II-generating Activity. J Immunol. 2009 May 1;182(9):5770-7.
Title: Katariina Maaninka, et al. Human Mast Cells Arise From a Common Circulating Progenitor. J Allergy Clin Immunol. 2013 Aug;132(2):463-9.e3.