PubMed API interface BioTools making use of the PubMed API to retrieve results.

Basic search
A lightweight interface to PubMed.
Couple a search query with a list of keywords (e.g your genes or proteins) and find if there is already published literature linking the search term with the keyword.
Multiple Keyword Search
An advanced search tool for PubMed.
Enter your search term and retrieve an easy to view list of PubMed results