S fibers.
D001194:Asbestos / Q000009:adverse effects*; D017638:Asbestos, Crocidolite; D002273:Carcinogens; D010316:Particle Size; D009626:Terminology as Topic
D002273:Carcinogens; D017638:Asbestos, Crocidolite; D001194:Asbestos