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BERNAARDS, C.M., ET AL., IS CALCULATING PACK.YEARS RETROSPECTIVELY A VALID METHOD TO ESTIMATE LIFE-TIME TOBACCO SMOKING? A COMPARISON BETWEEN PROSPECTIVELY CALCULATED PACK-YEARS AND RETROPECTIVELY CALCULATED PACK-YEARS. ADDICTION , Vol. 96, no. 11 (2001), p. 1653-1662
Ref. 107138
Location: R.696

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Keywords:
Consumo, Cuestionarios, Drogodependencias, Estudio comparativo, Investigación, Metodología, Tabaco, Validez