Glee's Cory Monteith enters rehab for substance addiction - BBC News
Glee' Cory Monteith Enters Rehab — No Finn in Final Season 4 Episodes – TVLine
Glee' star Cory Monteith checks into rehab
Glee' Cast Tweets Support for Cory Monteith in Rehab | Amber Riley, Chris Colfer, Cory Monteith, Dot Marie Jones, Glee, Harry Shum Jr., Iqbal Theba, Jenna Ushkowitz, Kevin McHale, Ryan Murphy