title: Tolerance to repeat exposure of inhaled endotoxin: an observation in healthy humans.
authors.forename: L C
authors.initials: LC
authors.lastname: Loh
mesh_terms: D000280:Administration, Inhalation; D001985:Bronchial Provocation Tests; D006801:Humans; D007108:Immune Tolerance / Q000502:physiology*; D007958:Leukocyte Count; D008070:Lipopolysaccharides / Q000008:administration & dosage* / Q000276:immunology*; D009504:Neutrophils; D013183:Sputum / Q000166:cytology
chemical_list: D008070:Lipopolysaccharides; C433788:lipopolysaccharide, E. coli O26-B6