Does over-the-counter nicotine replacement therapy improve smokers' life expectancy? Tob Control 1998; 7: 364-368.Lawrence W, Smith S, Baker T, Fiore M. Does over‑the‑counter nicotine replacement therapy improve smokers' life expectancy? Tob Control 1998;7:364‑8....
William F. LawrenceStevens S. SmithTimothy B. BakerMichael C. FioreInternational Pharmaceutical Federation