Oral Presentations on Digestive Tract Coordinator: Fabiana Lubieniek, Buenos Aires, Argentina Fabiana Lubieniek, Buenos Aires, Argentina Catalina Limpias, Bogotá, Colômbia Kalil Madi, Rio de Janeiro, Brasil Maria A. M. Rodrigues, Botucatu, Brasil Ricardo Drut, La Plata, Argentina Lecture: Impact of air pollution on child health Coordinator: L. Cesar Peres, Ribeirão Preto, Brazil Paulo H. Saldiva, São Paulo, Brasil Paulo H. Saldiva, São Paulo, Brasil Round table: Fetal and Perinatal Pathology Coordinator: Eumênia C. C. Castro, Uberaba, Brazil Edwina Popek, Houston, USA Mariana Paqschoini, Uberaba, Brazil João M.de Pina Neto, Ribeirão Preto, Brazil Ana Maria A. Lana, Belo Horizonte, Brazil Eumênia C. C. Castro, Uberaba, Brazil Edwina Popek, Houston, USA João M.de Pina Neto, Ribeirão Preto, Brazil Mariana Paschoini, Uberaba, Brazil Mariana Paschoini, Uberaba, Brazil Ana Maria A. Lana, Belo Horizonte, Brazil