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I have found some sites 4 U so U can learn as much as U like.

http://sg.answers.yahoo.com/question/index?qid=20070205154019AArzLYl - 32k
http://www.findarticles.com/p/articles/mi_m0CYP/is_7_108/ai_65640289
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1638179

That's about all I could find that fits Ur question. Hope this helps U.

2007-02-07 11:20:18 · answer #1 · answered by Blues Man 7 · 0 0

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