Mealey's (January 18, 2019, 11:54 AM EST) -- SILVER SPRING, Md. — The Food and Drug Administration on Dec. 21 denied a citizen petition by Public Citizen seeking a black box warning on the Plavix label to warn about the increased risk of bleeding beyond 12 months after implantation of a drug-eluting coronary artery stent (FDA Docket No. FDA-2013-P-1056)....