Griswold, Don E. et al
"SB 207499 (Ariflo), a Second Generation Phosphodiesterase 4 Inhibitor, Reduces Tumor Necrosis Factor α and Interleukin-4 Production in vivo
." Journal of Pharmacology and Experimental Therapeutics
287.2
(1998):
705-711.
Web. 04 Mar. 2021.