LIPID PHOSPHATE PHOSPHATASES (LPP) 1 AND 2 BUT NOT 3 LIMIT THE ACTIVATION OF EXTRACELLULAR SIGNAL REGULATED KINASES (ERK1 AND ERK2) BY SPHINGOSINE 1-PHOSPHATE AND LYSOPHOS-PHATIDIC ACID. (October 2000) - McKie, A.; Alderton, F.; Darroch, P.; Pyne, NJ; Pyne, S.