Statistical briefing: observational study designs.
Department of Veterinary Clinical Sciences, The Royal Veterinary College, Hawkshead Lane, North Mymms, Hertfordshire AL97TA, UK. clamb@rvc.ac.uk
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Lamb
D000818:Animals; D016022:Case-Control Studies; D015331:Cohort Studies; D003430:Cross-Sectional Studies; D003627:Data Interpretation, Statistical; D006801:Humans; D012107:Research Design / Q000706:statistics & numerical data*; D014730:Veterinary Medicine / Q000706:statistics & numerical data*