"We must identify which environmental exposures and combination of exposures are contributing to increased overall risk in the population."

VOA: standard.2010.08.09

"There may be either a new cause for gastric cancer in that population or perhaps some difference in their Helicobactor Pylori infection that's contributing to a new risk for gastric cancer."

VOA: standard.2010.05.12

"If you match live donors to other healthy people in the population there is no increased risk of dying down the road attributable to having only one kidney instead of two."

VOA: standard.2010.03.11