De Silva SSP, Kumara RR, Nanayakkara AA, Deraniyagala SA, Ratnasooriya WD, Handunnetti SM. Inhibition of rat peritoneal phagocytic cell function by aqueous leaf extract of Ixora coccinea. Proceedings of the 2nd Annual Scientific Sessions of the IBMBB, University of Colombo, 27th April 2007; pp 21