Along with this increased number of outlets came a nearly fourfold increase in employees within the sector. (canadianbusiness.com)
Women whose mothers had elevated levels of DDT in their blood had a nearly fourfold increase in risk of developing breast cancer by age 52, compared with controls who were matched for a variety of factors, including maternal history of breast cancer. (sciencemag.org)
«Depending on how you ask the question, it turns out that the rate of appendicitis and appendectomy in the first week after a colonoscopy was at least fourfold higher compared to these patients» next 51 weeks,» Basson added, noting that the research accounted for differences in the coding of procedures and other discrepancies in the administrative data. (sciencedaily.com)