2002, “Haematology” (chapter 3), in Drew Provan, Andrew Krentz, editors, Oxford Handbook of Clinical and Laboratory Investigation (in English), Oxford: Oxford University Press, published 2003, →ISBN, page 219:
Complement (C3a, C4a, C5a) release into recipient plasma→smooth muscle contraction. May develop DIC or oliguria (10% cases) due to profound hypotension.