Import and export of pediatric gastroenterology.
Vieira
Mário C
MC
Centro de Gastroenterologia Pediátrica, Hospital Infantil Pequeno Príncipe, Curitiba, PR, Brazil.
D001938:Brazil; D002648:Child; D005762:Gastroenterology / Q000592:standards / Q000639:trends*; D006801:Humans; D011787:Quality of Health Care