Matching sampler penetration curves to definitions of respirable fraction.
D000393:Air Pollutants / Q000032:analysis*; D004391:Dust; D006801:Humans; D008168:Lung / Q000032:analysis*; D010316:Particle Size; D011650:Pulmonary Alveoli / Q000032:analysis; D012119:Respiration
D000393:Air Pollutants; D004391:Dust