http://www.westgard.com
http://www.who.int/en/
http://www.cdc.gov/
http://www.gfmer.ch/Medical_journals/Hematology.htm
http://www.medimmunol.com
http://jcp.bmj.com/
http://www.k-state.edu/parasitology/links
http://www.nature.com/nature/journal/v34/n866/abs/034097a0.html