Display "canker sores" Hot keywords Ranking history.
Feb 8, 2009 ... Canker sores appear in the mouth and can be fairly harmless but really painful. Learn more about them.[source]
| Date Time | Rank | Info |
|---|---|---|
| 2009-08-03 03:52:44 | 17 | Feb 8, 2009 ... Canker sores appear in the mouth and can be fairly harmless but really painful. Learn more about them.[source] |
| 2009-05-05 04:56:35 | 20 | |