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Autor:
J Jesús Villalobos, Pérez, Marco A Olivera, Martínez, Aurora Loaeza, del Castillo, M Luisa, Villalobos, Gonzalo M Torres, Villalobos
Publikováno v:
Revista de gastroenterologia de Mexico. 71(4)
Digestive cancer is an important mortality cause in Mexico. In the past decades a change in the frequency of digestive malignancies has been observed.To evaluate the frequency of digestive malignancies in four hospitals in México City during a 25 ye