aSchool of Public Health, University of California San Diego, La Jolla, CA, USA bMailman School of Public Health, Columbia University, New York, NY, USA cDivision of Environmental Health Sciences, ...

Jeff Mohl, PhD, of the American Medical Group Association in Virginia, and colleagues analyzed the rates of follow-up colonoscopy after a positive stool test for colon cancer. This retrospective study ...

NAFTA’s trade opening was widely expected to lead to increased, low-cost corn imports, shifting Mexican agriculture away from corn and displacing many hundreds of thousands of small-scale corn ...