Indole-3-acetic acid antagonists of the prostaglandin D2 receptor CRTH2. by Armer, R, Ashton, MR, Boyd, E, Brennan, C, Brookfield, F, Gazi, L, Gyles, S, Hay, P, Hunter, MG, Middlemiss, D, Whittaker, M, Xue, L, Pettipher, R