What are some "valid" websites to research steroids and their history/uses?

I don't want websites such as wikipedia or even MedicineFreeFAQ.com, where any random person can answer what they grain may be "valid" or just write down faulty information on a website.

This is for a 5 page research essay that needs to enjoy plenty of valid sources so the more answerers, and the more websites the better. I also could use any books that you may know of that I can use to research steroids more in-depth. I need a variety of sources and plan to use the internet, books, and encyclopedias at my home and in the local library.

-Thanks to adjectives answerers
Answers:
http://en.wikipedia.org/wiki/Anabolic_st…
http://ballhype.com/video/sports_discour…
http://knol.google.com/k/dane-fletcher/t…
http://hubpages.com/hub/Anabolic-Steroid…
Is that enough

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