WHITEHOUSE STATION, N.J., April 20, 2007 - Merck & Co., Inc. said today that a Texas court overseeing the Texas litigation rejected a plaintiff's claim that she was not properly informed of the medicine's alleged risks because, in fact, the VIOXX label contained a U.S. Food and Drug Administration (FDA)-approved warning. The court order in the case, Ledbetter v. Merck, could have an impact on most