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We calculated correlations (Pearsons r) between logarithmised CPD and cotinine in subgroups of SES and analysed SES and further predictors of cotinine in multiple linear regression models separately by gender

This traditional tobacco is not actually tobacco at all

He could say much about how it was built, how it was furnished, and how particular rooms were used

Le Novere N CP, Changeux JP

Smoking and Fertility Smoking is known to reduce fertility in both men and women