Keywords: appeal against decision, drug use, multi-factorial causation, nature of psychological injury - was employment the major significant contributing factor, secondary psychological or psychiatric injury, workers’ compensation This content is restricted to site members (it's free to register). If you are an existing user, please log in. New users may register below.Existing Users Log InUsername or EmailPassword Remember Me New User RegistrationChoose a Username*First Name*Last Name*Phone*Email*CompanyPassword**Required field