^Thurmond RL, Desai PJ, Dunford PJ, Fung-Leung WP, Hofstra CL, Jiang W, Nguyen S, Riley JP, Sun S, Williams KN, Edwards JP, Karlsson L. A potent and selective histamine H4 receptor antagonist with anti-inflammatory properties. Journal of Pharmacology and Experimental Therapeutics. 2004 Apr;309(1):404-13. PMID14722321
^Dunford PJ, Williams KN, Desai PJ, Karlsson L, McQueen D, Thurmond RL. Histamine H4 receptor antagonists are superior to traditional antihistamines in the attenuation of experimental pruritus. Journal of Allergy and Clinical Immunology. 2007 Jan;119(1):176-83. PMID17208599