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Name: Skyscape Medical Resources
A top-rated app used by medical professionals and students worldwide, the free app includes drug information, a medical search, medical calculators and data ranging over 800 separate topics.
Also included for free is MedAlert -- a speciality-focused tool with journal articles, clinical news, drug alerts and links.
For those that want more information, a number of premium packages can be purchased.
For the iPhone or iPad, the Papers app synchronizes your research library onto your mobile device.
.Pdf files can be downloaded from particular authors, and the app can be connected to your Dropbox account.
If you're hunting for a particular article, 8 search engines -- including JSTOR, Pubmed and Google Scholar.
However, be warned that at the moment, the app does not sync properly with the Mac library.