Bentonite,Kaolin,and selected clay minerals / World Health Organization. - Geneva : W.H.O, 2005. - xvi,175p ISBN: 9241572310 Standard No.: 5297 [old SOUL v1.0 record id] Subjects--Topical Terms: Toxcity - MineralsBentonite - ToxicityEnvironmental ExposureKaolin - Toxicity Dewey Class. No.: 553.61 / W 893 b