The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From DISIT DSI Univ Firenze:
Mobile Medicine is an application to collect and search files inside your Mobile Medicine Object Collection in your iPhone. The application allows to get them, to search them and to organize them into icons and/or lists. Object can be both those collected from the Mobile Medicine portal http://mobmed.axnmedis.org directly accessible from the Application itself. The registration on the portal is free of charge. Object can be: medical calculators, documents, images, videos, procedure, medical dosages, checklists, audio, etc. They are useful as decision support system and for education purpose. On the help page of the portal you can find indication on how it is possible to contribute and work on groups, forum, with colleague and students.