p38 mitogen-activated protein kinase phosphorylates cytosolic phospholipase A2 (cPLA2) in thrombin-stimulated platelets. Evidence that proline-directed phosphorylation is not required for mobilization of arachidonic acid by cPLA2 - Kramer, RM; Roberts, EF; Um, SL; Borsch Haubold, AG; Watson, SP; Fisher, MJ; Jakubowski, JA (J Biol Chem, 1996)