http://en.wikipedia.orgview_html.php?sq=&lang=&q=Categorical_variable
http://en.wikipedia.orgview_html.php?sq=&lang=&q=Contingency_table
http://en.wikipedia.orgview_html.php?sq=&lang=&q=Negative_binomial_distribution
http://en.wikipedia.orgview_html.php?sq=&lang=&q=Hypergeometric_distribution
http://en.wikipedia.orgview_html.php?sq=&lang=&q=HFCS
http://en.wikipedia.orgview_html.php?sq=&lang=&q=Bili_Ape
http://www.nature.com/news/2007/070716/full/070716-1.html
http://en.wikipedia.orgview_html.php?sq=&lang=&q=Acute_phase_reaction