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I've found mention of them BUT, I don't find them. Ideally, I seek the all-positive versions. Thanks!

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At the other end of a Google search, I think. – André Jan 20 '14 at 11:21
If you can find a published study which used one of them, write directly to the corresponding author and ask for it. They may just give it to you. – Rumi P. Jan 27 '14 at 10:09

André is right. I found a Portuguese one for you: (near the bottom of post, in updates).

There's also a good chance that you are seeing references to versions of the SUS that the researchers themselves have translated.

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