TITLE     : Effects of active smoking duration and time since cessation on respiratory symptoms and diseases
AUTHOR(S) : Bottai M, Carrozzi L, Chiaffi L, Pistelli F, Di Pede F, Pedreschi M, Baldacci S, Viegi G, Giuntini C
TYPE      : Contribution to journal
YEAR      : 1999
CODE      : 240781

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