It is possible to fetch Pubmed, by specifying a key, or by performing a search. The syntax used is the one specified by Pubmed (see http://www.nlm.nih.gov/bsd/pubmed_tutorial/m1001.html for a complete tutorial).
By default, only the 20 first entries are shown. It is possible to see the next 20 entries by clicking on the Next button, and/or to change the number of entries to display by setting the corresponding spinner. Finally, the Resume button reset the counters to their initial state.