PRACE DOKTORSKIE - Polska 45d/15766 WRAMMER BENGT Studies on female smoking prevalence during adolescence, pregnancy and as adult and the health effects in a public health perspective - comparison between Poland and Sweden : doctorate thesis / Bengt Wrammer ; Instytut Matki i Dziecka ; [promotor] Witold Zatortski. - [Warszawa 1997]. - [2], 111 k. [38] k. tabl., bibliogr. [141] poz . maszyn.