Chemoattractant-induced respiratory burst: increases in cytosolic Ca2+ concentrations are essential and synergize with a kinetically distinct second signal Foyouzi-Youssefi, R.; Petersson, F.; Lew, D.P.; Krause, K.H.; NĂ¼sse, O. Biochemical Journal 322: 709-718 1997 0264-6021 https://eurekamag.com/research/008/306/008306911.php