Articles
"Back ground. This study des cribes the so cio de mo grap hiccha rac te ris tics, health-re lated li fest yle, and his tory of to bac cocon sump tion of the oc casional smo kers in Spain, and exa mineswhet her they show dif fe ren ces against daily smo kers.Met hods. Data were ob tai ned from the Na...
