RT Journal Article SR Electronic T1 PAR1, but not PAR4, activates human platelets through a Gi/o/PI3K signaling axis JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/mol.106.033365 A1 Bryan Voss A1 Joseph N McLaughlin A1 Michael Holinstat A1 Roy Zent A1 Heidi E. Hamm YR 2007 UL http://molpharm.aspetjournals.org/content/early/2007/02/15/mol.106.033365.abstract AB