The websites below may provide additional information on your topic.
PubMed comprises over 24 million citations from biomedical literature from MEDLINE, life science journals, and online books. PubMed citations and abstracts include the fields of biomedicine and health, covering portions of the life sciences, behavioral sciences, chemical sciences, and bioengineering. PubMed also provides access to additional relevant web sites and links to the other NCBI molecular biology resources.
Remember the top five things to consider when evaluating websites:
Want to know more about evaluating information on the web? Check out this tutorial.
A website's domain can tell you something about its purpose:
.com = commercial
.org = organization (advocacy)
.edu = educational
.gov = government (informational)