Tooze, Janet A., Troiano, Richard P., Carroll, Raymond J., Moshfegh, Alanna J., Freedman, Laurence S. (2013). "A measurement error model for physical activity level as measured by a questionnaire with application to the 1999-2006 NHANES questionnaire". American Journal of Epidemiology, Vol.177, No.11 June. 1, 2013: p.1199-1208
DOI: https://doi.org/10.1093/aje/kws379
DOI: https://doi.org/10.1093/aje/kws379
Warning: These citations may not always be 100% accurate.