Matched cohort methods for injury research.
Cummings
Peter
P
Harborview Injury Prevention and Research Center, Department of Epidemiology, School of Public Health and Community Medicine, University of Washington, Seattle, WA, USA. peterc@u.washington.edu
McKnight
Barbara
B
Greenland
Sander
S
D015331:Cohort Studies; D015986:Confounding Factors, Epidemiologic; D006801:Humans; D012106:Research; D014481:United States / Q000453:epidemiology; D014947:Wounds and Injuries / Q000453:epidemiology*