Palabras claves: Atopy, early childhood, eczema, geohelminths, maternal infections, wheeze
Autores: Amorim L.D.A.F., Campos A.C.P., Carlos A. Sandoval, Maritza G. Vaca, Martha E. Chico, Mauricio L. Barreto, Philip John Cooper, Rodrigues L.C., Strachan D.P., Strina A.