Relationship between cotinine levels, household and personal smoking habit and season in 9-14 year old children.
Journal article published in 1994 by
R. Ronchetti,
G. de Castro,
E. Bonci 
,
F. Signoretti,
F. Macrì,
G. C. Ciofetta,
Ciofetta Gc,
Villa Mp,
Villa,
L. Indinnimeo,
F. D. Martinez
,
F. Signoretti,
F. Macrì,
G. C. Ciofetta,
Ciofetta Gc,
Villa Mp,
Villa,
L. Indinnimeo,
F. D. Martinez
