@misc{miscf8effdbc,
title   = {Sensitization to aeroallergens: urban/rural differences in São Paulo-Brazil},
author = {Galvão, Clóvis Eduardo and Castro, Fabio Morato and Kalil Filho, Jorge Elias},
year = {2001},
booktitle   = {Annual Meeting of American Academy of Allergy, Asthma and Immunology}
}