title: A detailed re-assessment supports the conclusion of the  paper that hormesis is commonly observed in the Ames assay.
authors.affiliation: Department of Public Health, Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA 01003, USA. Electronic address: edwardc@schoolph.umass.edu.
authors.forename: Edward J
authors.initials: EJ
authors.lastname: Calabrese
authors.affiliation: Department of Public Health, Biostatistics and Epidemiology, Arnold House, University of Massachusetts, Amherst, MA 01003, USA.
authors.forename: Edward J
authors.initials: EJ
authors.lastname: Stanek
authors.affiliation: Gradient, 20 University Road, Cambridge, MA 02138, USA.
authors.forename: Marc A
authors.initials: MA
authors.lastname: Nascarella
mesh_terms: D059165:Hormesis; D009152:Mutagenicity Tests / Q000379:methods*; D009153:Mutagens
chemical_list: D009153:Mutagens