PT - JOURNAL ARTICLE AU - M.J. Ratcliffe AU - A. Walding AU - P.A. Shelton AU - A. Flaherty AU - I.G. Dougall TI - Activation of EP4 and EP2 receptors inhibits TNFα release from human alveolar macrophages AID - 10.1183/09031936.00131606 DP - 2007 Mar 01 TA - European Respiratory Journal 4099 - http://erj.ersjournals.com/content/early/2007/03/01/09031936.00131606.short 4100 - http://erj.ersjournals.com/content/early/2007/03/01/09031936.00131606.full