2005, Number 4

Contents

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Generic and Original Medicine. Are an Original and a Copy the Same Thing?

José Antonio Palma-Aguirre

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Knowledge of Phytopharmaceuticals Among Physicians from Morelos, Mexico

Ofelia Romero Cerecero; Hortensia Reyes Morales; Irene Torres Torija Barrio; Armando Herrera Arellano; Jaime Tortoriello

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Rheumatic Diseases and Labor Disability in Adult Rural Population

José Álvarez Nemegyei; Bertha L. Nuño Gutiérrez; Jorge Andrés Alcocer Sánchez

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Usefulness of Ottawa Rules for Acute Injuries of Ankle and Foot

Leobardo Roberto Palapa García; Higinio Regla Márquez

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Biochemical Factors Associated to Cardiovascular Risk Among Children and Adolescents

Beatriz Salazar Vázquez; Martha Rodríguez Morán; Fernando Guerrero Romero

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The Challenge of Education at the IMSS: How to Become the Advanced Guard of Institutional Progress

Viniegra Velázquez, Leonardo

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Acute Leukemias Epidemiology in Children. Part 1

Mejía Aranguré, Juan Manuel; Manuel Carlos Ortega Álvarez; Arturo Fajardo Gutiérrez

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Freeman-Sheldon Syndrome. A Case Report

Jorge Aviña Fierro; Manuel Ornelas Sánchez; Sergio Montes González; Antonio Partida Rocha

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Maternal Risks Factors Associated With Pre-term Childbirth

Juvenal Calderón Guillén; Genaro Vega Malagón; Jorge Velásquez Tlapanco; Régulo Morales Carrera; Alfredo Jesús Vega Malagón

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Generic Medicine versus Trade Mark Medication

Guillermo Murillo Godínez

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Curricular Evaluation, Integral and Objective?

Rivera, Horacio

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IMSS in Numbers. Cancers in Insured Population, 1990-2003

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Causality in Cardiology: Concepts in Evolution

Gustavo F. Méndez