Experts are calling into question the validity of a technique commonly used to test how much of a drug a patient has been taking, a technique they say could put others in jeopardy. New Scientist magazine reports that the method is inappropriately being applied to corpses as a means to establish how much of a drug a person ingested, or was given, before death. 8th street latinas The problem is that the technique, called the apparent volume of distribution, could result in vastly inflated readings, the experts say. "There is an assumption on the part of some people that a corpse is a frozen living person," the magazine quotes one expert, Derrick Pounder of the University of Dundee, as saying. "But drug levels don't remain static after death." Mike in Brazil The use of the formula has resulted in false convictions, the experts say. An Arizona man, for instance, was found guilty of murdering his wife by administering an overdose of cocaine in her system. In other cases, employers could fight workplace accident lawsuits by saying that the dead employee was intoxicated.