Smoking as a substantial public health problem.
Tami
T A
TA
Parker
G S
GS
Knobloch
N D
ND
D002638:Chewing Gum; D006801:Humans; D008889:Military Personnel; D009538:Nicotine / Q000627:therapeutic use; D000074606:Smoking Prevention; D014481:United States
D002638:Chewing Gum; D009538:Nicotine