Full text of this article can be found in Bookshelf.
. 2002 Mar;(47):1–11.
Systems to rate the strength of scientific evidence.
S West
, V King
, T S Carey
, K N Lohr
, N McKoy
, S F Sutton
, L Lux
S West
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V King
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T S Carey
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K N Lohr
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N McKoy
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S F Sutton
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L Lux
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