Epidemiologic profile and prevalence of functional constipation in adult based on the rome iv criteria Tomás Roberto Rodríguez Castillo, Natalia Moreno Baeza, Gunther Bocic Alvarez, Mario Abedrapo Moreira, Rodrigo Azolas Marcos, Antinella Sanguineti Montalva, Jose Luis Llanos Bravo, Maurucio Diaz Beneventi 2019-10-13