DavidB4-bot
→top: clean up & uniformity
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Wuhao1911
no edit summary
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WesleyS
cat
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NathanG
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Aschlafly
Reverted edits by Omniscience (Talk); changed back to last version by Fox
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Omniscience
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Fox
New page: '''Keratin''' is a protein which is a major component in skin, hair, nails, hooves, horns, and teeth. {{expand}}
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