. "Armstrong" . "Bruce K." . "Bruce K. Armstrong" . . "9780198509851" . "0198509855" . . "Saracci" . "Rodolfo" . "Rodolfo Saracci" . . "Oxford" . . "Quantitative methods in social research" . . "Oxford University Press" . . "enk" . . . . "2017-07-09" . . . "White" . "Emily" . "Emily White" . . "Epidemiology" . . . . . . . "2 ed." . "Principles of exposure measurement in epidemiology collecting, evaluating, and improving measures of disease risk factors" . . "en" . "980934231" . . . "980934231" . . . . "2010" . . . . "428" . . . . "2010" .