Rothman KJ, Greenland S, Lash TL. Modern Epidemiology. Philadelphia: PA. Lippincott Williams & Wilkins; 2012.
Arana A, Arana JI. Medical diagnostic theory applied to food technology. In: Arana, I, editors. Physical properties of foods: novel measurement techniques and applications. Boca Raton: FL. CRC Press; 2012. doi: 10.1201/b11542-10
Arana A, Arana I. Medical diagnostic theory applied to food technology. Boca Raton: FL. CRC Press; 2012.
Rothman KJ. Malattie della bocca. In: Clark DW, MacMahon B, editors. Medicina preventiva e di comunita. Milan: Italy. Liviana Universita Press; 1994.