The following search will find 9 articles when copied and pasted and run in PubMed. You may start with the Woodruff Health Sciences Center Library homepage at http://health.library.emory.edu/ and then click “PubMed” or you may use this direct link to Emory’s instance of PubMed at http://www.ncbi.nlm.nih.gov/sites/entrez?otool=emorylib.

24172057[uid] OR 23817826[uid] OR 20398302[uid] OR 19531035[uid] OR 17983362[uid] OR 10392220[uid] OR 22897811[uid] OR 22559080[uid] OR 23314584[uid]