(Disponible en anglais seulement.)
In relation to such factors as onset, patterns of use, social influences, attempts to quit and indications of addiction, they found that smokeless tobacco use appeared to be similar to cigarette smoking.
http://dx.doi.org/10.1007/BF00844878
Comment: This 1989 article also states that 73% of the parents knew about their sons using smokeless tobacco but appeared tolerant. Would a similar analysis today show changes since this one was done?
