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Low-level laser trials had to include only chronic wounds , while vacuum-assisted closure trials could include various wound types . The outcome of his murder trial could determine whether he 'll add to those stats catching a football in an stadium or in a prison recreation yard . MARGALIT : It 's my idea that along with the application for the proposal for certain trials , whether they be phase 1 , phase 2 , phase 3 trials , the people who are enrolled in those trials could have a whole array of services offered to them . The award will expedite completion of preclinical design and testing of the vaccine with the anticipation that clinical trials could begin in 1999 . If they are made less stringent and more flexible , human trials could start more rapidly .