Stimulation of p38 mitogen-activated protein kinase is an early regulatory event for the cadmium-induced apoptosis in human promonocytic cells - Galan,A.; Garcia-Bermejo,M.L.; Troyano,A.; Vilaboa,N.E.; deBlas,E.; Kazanietz,M.G.; Aller,P. (J Biol Chem, 2000)