Nogueira AM, Marques T, Soares PC, David L, Reis CA, Serpa J, Queiroz DM, Rocha GA, Rocha AC

Lewis antigen expression in gastric mucosa of children: relationship with Helicobacter pylori infection. Journal of pediatric gastroenterology and nutrition 38: 85-91, 2004.  [Article] 

 PMID: 14676601.