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, 15:28, 25 May 2010
Hyperplastic proliferative pathology
*Polychlorinated biphenyl's (PCB's).
*Used in all sorts of things.
*Do not break down in environment and very toxic.
*Poisoning was classically seen as proliferative stomatitis when PCB used to lubricate feed pellet making machine.
*Vitamin A antagonist produces hyperkeratosis of mouth (like Vitamin A deficiency).
[[Category:Oral Cavity - Hyperplastic Pathology]]