​Matthew Perry’s Cause of Death Revealed as ‘Acute Effects of Ketamine’  VarietyMatthew Perry cause of death listed as ‘acute effects of ketamine’  Fox NewsMatthew Perry died of ‘acute effects of ketamine’, autopsy report says  The GuardianMatthew Perry cause of death: Friends star killed by ketamine and drowning, with his death ruled an accident  Daily MailAutopsy shows Matthew Perry died of ‘acute effects of ketamine’  CNN