title: Instituto Nacional de Ciencias Medicas y Nutricion "Salvador Zubiran".
authors.affiliation: Surgical Division, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico DF, Mexico.
authors.forename: Héctor
authors.initials: H
authors.lastname: Orozco
authors.forename: Miguel Angel
authors.initials: MA
authors.lastname: Mercado
mesh_terms: D000047:Academies and Institutes / Q000266:history; D035843:Biomedical Research / Q000266:history; D004503:Education, Medical, Graduate / Q000266:history; D013502:General Surgery / Q000193:education / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008800:Mexico