RT Journal Article SR Electronic T1 Preferential inhibition of Th1, but not Th2 cytokines by L-826,141 in vitro, a potent and selective PDE4 inhibitor JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/jpet.103.064691 A1 David Claveau A1 Shiow Chen A1 Stephen O'Keefe A1 Dennis M Zaller A1 Angela Styhler A1 Susana Liu A1 Zheng Huang A1 Donald W Nicholson A1 Joseph A Mancini YR 2004 UL http://jpet.aspetjournals.org/content/early/2004/04/13/jpet.103.064691.abstract AB