Starting your research in Summon is great because materials from throughout the library are being searched from the single search box.
A search on Hand Washing Procedures will retrieve items that contain all three words in the citation and/or in the full text of the item.
Searching is as easy as Search - Refine - Get...
Refining your search to get the best material for your research can also be done by adding more keywords to your search.
Just like searching the open web, you can indicate a phrase by putting quotation marks around the words. The query "Hand washing" will find results with that phrase.
Peer Reviewed Journal is a special type of publication. Before articles are published within these types of journals, they are sent to other scholars in the field ("peers"), often anonymously, to get feedback on the quality of the scholarship, review research methods, as well as relevance or importance to the field. The article may be accepted, often with revisions suggested, or rejected for publication.