TY  - RPRT
TI  - Respiratory problems in developing countries.
AU  - Gilberto Bueno Fischer
PY  - 2002
DO  - 10.1016/s1526-0542(02)00271-3
UR  - https://pubmed.ncbi.nlm.nih.gov/12457595/
ID  - 12457595
ER  -