User talk:Crazybob25

January 2011
Welcome to Wikipedia. The recent edit you made to Arterial blood gas has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. Oroso (talk)  01:40, 19 January 2011 (UTC)