TY - JOUR A1 - Riesenfeld, E A1 - Chalupa, D A1 - Gibb, F R A1 - Oberdo, G A1 - Gelein, R A1 - Morrow, P E A1 - Utell, M J A1 - Frampton, M W T1 - Ultrafine particle concentrations in a hospital. Y1 - 2000/01/ N1 - R832415 N1 - R832415C003 N1 - R827354 N1 - R827354C003 N1 - R832415C004 N1 - R827354C004 N1 - R826781 JF - INHALATION TOXICOLOGY J1 - INHAL TOXICOL J2 - Inhal.Toxicol. VL - 12 IS - Suppl 2 SP - 83 EP - 94 ER -