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K D
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Joined: May 23 2006
Posts: 1
User offline. Last seen 2 years 33 weeks ago.

small pale yellow pill with MD on one side and 531 on the other?

Joined: Mar 20 2006
Posts: 2183
User offline. Last seen 10 weeks 4 days ago.
Methylphenidate
Methylphenidate Tablets5mgTab

a drug used to  treat ADD or ADHD

Original image GSM 2002 - Wall's Medicine & Health Center