@article{articleed5702d2,
title   = {Iga and igg subclass deficiency in a poor population in a developing contry},
author = {Castrignano, S B and Carlsson, B and Carneiro-Sampaio, M. M. S. and Soderstrom, T and Hanson, L A},
year = {1993},
journal   = {Scandinavian Journal of Immunology}
}