1)
Trübswasser U. Fruit and vegetables for health-WHO Initiative to promote fruit and vegetables. En: International Conference The Role of Fruit and Vegetables in the Fight Against Obesity, Bruselas: Aprifel 2007:49-51.
2)
Blanck H. What do we know about the relationship between fruit and vegetable consumption and body weight? En: Internacional Conference The Role of Fruit and Vegetables in the Fight Against Obesity, Bruselas: Aprifel 2007:39
3)
Esteve J, Riboli E, Pequignot G, y cols. Diet and cancers of the larynx and hipopharynx: the IARC multi-center study in southwestern Europe. Cancer Causes Control 1996; 7:240-52.
4)
Franceschi S, Facero A, Conti E, y cols. Food groups, oil and butter, and cáncer of the oral cavity and pharynx. Br J Cancer 1999: 80:614-20.
5)
Franceschi S, Barra S, La Vecchia C, y cols. Risk factors for cancer of the tongue and the mouth. A case-control study from northern Italy. Cancer 1992; 70:2227-33.
6)
You WC, Blot WJ, Chang YS, y cols. Diet and high risk of stomach cancer in Shandong, China. Cancer Res 1988;30:158-62.
7)
Boeing H, Jedrychowki W, Wahrendrof J, y cols. Dietary risk factors in intestinal and diffuse types of stomach cancer: a multicenter case-control study in Poland. Cancer Causes Control 1991;2:227-33.
8)
Inoue M, Tajima K, Hirose K, y cols, Lifestyle and subsite of gastric cancer joint effect of smoking and drinking habits. Int J Cancer 1994, 56:494-9.
9)
López-Carrillo L, López-Cervantes M, Ramirez-Espitia A, y cols. Alcohol consumption and gastric cancer in Mexico. Cad Saude Publica 1998;14:25-32.
10)
Ward MH, López-Carrillo L. Dietary factors and the risk of gastric cáncer in Mexico City. Am J Epidemiol 1999;149:925-32.
11)
Breslow RA, Graubard BI, Sinha R, y cols. Diet and lung cancer mortality: a 1987 National Health Interview Survery cohort study. Cancer Causes Control 2000; 11:419-31.
12)
Holick CN, Michaud DS, Stolzenberg-Solomon R, y cols. Dietary carotenoids, serum beta-carotene, and retinol and risk of lung cancer in the alpha-tocopherol, betacarotene cohort study. Am J Epidemiol 2002;156:536-47.
13)
Jansen MC, Bueno-de-Mesquita HB, Feskens EJ, y cols. Quantity and variety of fruit and vegetable consumption and cancer risk. Nutr Cancer 2004; 48:142-8.
14)
Zatonski W, Becher H, Lissowska J, y cols. Tobacco, alcohol, and diet in the etiology of laryngeal cancer: a population-based case-control study. Cancer Causes Control 1991; 2:3-10.
15)
15)
Galanis DJ, Kolonel LN, Lee J, y cols. Intakes of selected foods and beverages and the incidence of gastric cáncer among the Japanese residents of Hawaii: a prospective study. Int J Epidemiol 1998, 27:173-80.