Historical clue formulations

• Cardiologist's procedure, for short — 2015-05-12
• Hospital procedure, for short — 2013-03-24
• Hospital procedure, for short — 2008-10-19
• Hospital procedure, for short — 2008-10-02
• Hospital procedure, for short — 2008-07-26
• Hospital procedure, for short — 2007-04-12
• Prefix with -plasty or -gram — 1999-05-31
• Surgical procedure, for short — 1996-10-08
• Prefix with -plasty — 1996-01-24