User talk:Criticalobservation
How paracetamol works: http://en.wikipedia.org/wiki/Acetominophen#Mechanism_of_action. Fences and windows (talk) 22:02, 30 March 2009 (UTC)
How paracetamol works: http://en.wikipedia.org/wiki/Acetominophen#Mechanism_of_action. Fences and windows (talk) 22:02, 30 March 2009 (UTC)[reply]