Cervantes Bustamante R, Ramirez Mayans J A, Jiron Castro R, Navarrete Delgadillo N M, Oyervides Garcia C I, Mata Rivera N, Zárate Mondragón F, Sosa Martinez M C
Servicio de Gastroenterología y Nutrición, Instituto Nacional de Pediatría, México, D.F. Mexico.
Acta Gastroenterol Latinoam. 1996;26(5):301-3.
We studied 450 healthy children between 3 months old and 17 years old who were seen at the Instituto Nacional de Pediatría during a period of one year (September 1992 June 1993). The EUSA test was positive in 4/450, 0.9%. The RIBA test was positive in these four children.
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