Rothman KJ. Malattie della bocca. In: Clark DW, MacMahon B, editors. Medicina preventiva e di comunita. Milan: Italy. Liviana Universita Press; 1994.
Rothman KJ. Interpretation of epidemiologic studies on smokeless tobacco and cancer. In: Health implications of smokeless tobacco. Bethesda: MD. NIH Consensus Development Conference; 1986.