Estimated Long-Term Ambient Concentrations of PM(10) and Development of Respiratory Symptoms in a Nonsmoking Population.
Known Short-Term Ambient Concentrations of lung problems in smokers.
mnli hypothesis: Known Short-Term Ambient Concentrations of lung problems in smokers. premise: Estimated Long-Term Ambient Concentrations of PM(10) and Development of Respiratory Symptoms in a Nonsmoking Population.