I have removed the following passage as a bit of dubious marketing-speak, poorly supported by the references provided.
More than 30 research surveys worldwide have shown that use of UpToDate may improve patient care and quality.[1][2][3][4]
The "may improve patient care and quality" is a bit of marketing waffle. (If there was conclusive, robust evidence there wouldn't be a "may"; as it stands, the sentence is equally true – and equally useless – if one writes "may not improve patient care".) Obviously, there are four citations offered, not "more than 30"; in any case, this is the sort of claim best supported by a proper secondary source or meta-analyses, not by piling up as many little primary papers as the marketing department can find. TenOfAllTrades(talk) 02:09, 4 May 2014 (UTC)