From References On Tap:
PubMed On Tap is an application for your iPhone or iPod Touch that lets you search PubMed while on the go. Advanced Search. Specify fields and search mode, using AND, OR, and NOT logic operators. Specify option to find only articles with Full Text or Free Full Text. E-mail the results as formatted text or an RIS tagged record, ready to be imported into reference management applications like Bookends and EndNote. EZproxy support. Link to Full Text articles that open in Safari or Internal Web Browser (requires access privileges). Internal Web Browser. Landscape view. Remember/recall recent searches. Navigation between references in the formatted view. Order full-text copies of articles using Loansome Doc Ordering System.
What's new in this version:
Version 2.2.2 includes advanced search options include Publication Type, and other minor improvements.