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Field substitution of nonresponders can maintain sample size and structure without altering survey estimates-the experience of the Italian behavioral risk factors surveillance system (PASSI).
Baldissera S, Ferrante G, Quarchioni E, Minardi V, Possenti V, Carrozzi G, Masocco M, Salmaso S; PASSI Coordinating Group. Baldissera S, et al. Ann Epidemiol. 2014 Apr;24(4):241-5. doi: 10.1016/j.annepidem.2013.12.003. Epub 2013 Dec 28. Ann Epidemiol. 2014. PMID: 24461932
[Five percent of Italian smokers use also e-cigs].
Masocco M, D'Argenio P, Quarchioni E, Ferrante G, Minardi V, Possenti V, Contoli B, Penna L, Baldissera S, Salmaso S; Gruppo Tecnico Passi. Masocco M, et al. Among authors: baldissera s. Epidemiol Prev. 2015 Jul-Aug;39(4):271. Epidemiol Prev. 2015. PMID: 26499229 Free article. Italian. No abstract available.
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