Insufficient knowledge about use of multiple tobacco/nicotine products.
Institute for Tobacco Studies, Sweden. Electronic address: tobstud@algonet.se.
Lars
L
Ramström
D006801:Humans; D009538:Nicotine; D062789:Tobacco Products; D014030:Tobacco, Smokeless
D009538:Nicotine
Multiple use; Nicotine; Risk information; Snus