What is ketamine, the drug cited in Matthew Perry's death - Los Angeles Times
Matthew Perry Was 'Angry And Mean' In His Final Days
Matthew Perry Cause of Death Revealed to Be From Ketamine – The Hollywood Reporter
Matthew Perry died from the effects of ketamine, autopsy report says
Matthew Perry's Cause of Death Is Ketamine: Coroner Report
What are ketamine infusion clinics where Matthew Perry sought help
Matthew Perry cause of death revealed: How 'Friends' star died
Matthew Perry died with enough ketamine in his system for a surgery patient: autopsy
Ketamine Clinics Los Angeles (KCLA) Announces Free, Informative Webinar to Address Misconceptions Surrounding the Death of Actor Matthew Perry