Reflections on the limitations to epidemiology.
Smith
G D
GD
Department of Social Medicine, University of Bristol, Canynge Hall, Whiteladies Road, BS8 2PR, Bristol, UK. Zetkin@bristol.ac.uk
D015982:Bias; D015986:Confounding Factors, Epidemiologic; D004812:Epidemiologic Methods; D004813:Epidemiology / Q000592:standards* / Q000639:trends; D004992:Ethics, Medical; D006801:Humans; D019359:Knowledge; D011634:Public Health; D015203:Reproducibility of Results; D018570:Risk Assessment; D012307:Risk Factors