Adenosine Suppresses Lipopolysaccharide-Induced Tumor Necrosis Factor-α Production by Murine Macrophages through a Protein Kinase A- and Exchange Protein Activated by cAMP-Independent Signaling PathwayLaura M. Kreckler, John A. Auchampach|Journal of Pharmacology and Experimental Therapeutics|2009Cited by 42