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pro vyhledávání: '"José Jesús, Villalobos Pérez"'
Autor:
José Jesús, Villalobos Pérez, María T, Bourlon, Aurora, Loaeza Del Castillo, Gonzalo, Torres Villalobos
Publikováno v:
Gaceta medica de Mexico. 150(1)
Since the middle of the last century, North America and occidental countries have reported variations in the frequency of gastrointestinal neoplasms. Several environmental factors, mainly nutritional and dietary exposure, as well as habits have contr