[1]
Alves, J., Hespanhol, V., Magalhães, A., Almeida, J. and Marques, J.A. 1994. Prevalence of asthma in the city of Porto. Acta Médica Portuguesa. 7, 1 (Jan. 1994), 21–4. DOI:https://doi.org/10.20344/amp.2828.