Figure 1From: Analgesic effect of percutaneously absorbed non-steroidal anti-inflammatory drugs: an experimental study in a rat acute inflammation model Acute inflammatory model and plastic Elizabethan collar for the rat neck. a) A suspension of yeast was injected intradermally into the right paw (*). b) A plastic Elizabethan collar was fixed around the neck of each rat to prevent ingestion of the drug sheet.Back to article page