A double blind study of 2 mg versus 4 mg nicotine-gum in an industrial setting

M. Kornitzer; F. Kittel; M. Dramaix; P. Bourdoux. (1987). A double blind study of 2 mg versus 4 mg nicotine-gum in an industrial setting. , 31(2), 0–176. doi:10.1016/0022-3999(87)90073-0

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