<prompt> All of the statements regarding cross over studies are true, exceptNot suitable if the disease doesnt change radically during the studyAll patients receive the new therapyIt is not suitable if the drug of interest cures the diseaseNone  <response>: Cross over study is suitable if the disease doesnt change radically during the study. In cross over study all patients recieve both new treatment and current standard treatment but are randomised to recieve them in different orders . 