Medical reference

Useful Medical web sites:
WebMD 
Drugs.com

Drugs@FDA: FDA Approved Drug Product

Best PDA Medical Reference Software:
Skyscape
Lexi-Comp, Inc.

Statistic reference

STATA reference
UCLA:
Resources to help you learn and use Stata
Stata Portal

z-distribution
Java Normal Probability Calculator

Tom's Inflation Calculator
U.S. Retail Price Inflation (1666-2050)
U.S. Wage Inflation (1914-2007)
U.S. Medical-cost inflation (1936-2007)