Primary Health Care / Logistic Regression / Respiratory Disease / Socioeconomic Status / Young Children / Cross sectional Study / Environmental Tobacco Smoke / Cross sectional Study / Environmental Tobacco Smoke
Air pollution / Lung Function / Respiratory Disease / Risk factors / Biomass burning / Risk Factors / Tobacco Smoke / Linear Regression / Cross sectional Study / Hours of Work / Risk Factors / Tobacco Smoke / Linear Regression / Cross sectional Study / Hours of Work
Air pollution / Environmental Pollution / Seasonality / Respiratory Disease / Brazilian Amazon / Health Care System / Cross sectional Study / Health Care System / Cross sectional Study