Smoking and use of mobile phones. Italian data don't show the same pattern.
Invernizzi
G
G
Boffi
R
R
Mazza
R
R
Paredi
P
P
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007558:Italy / Q000453:epidemiology; D008297:Male; D010067:Ownership / Q000706:statistics & numerical data; D012907:Smoking / Q000453:epidemiology*; D013689:Telephone / Q000706:statistics & numerical data*