We, the Editor and Publisher of Inhalation Toxicology, have retracted the following article:
João Fernando Pereira Gomes, João Carlos Moura Bordado, Paula Cristina Silva Albuquerque, “Monitoring exposure to airborne ultrafine particles in Lisbon, Portugal,” Inhalation Toxicology, Volume 24, 2012, Issue 7, Pages 425-433, 10.3109/08958378.2012.684077
This article was found to be significantly similar to two articles by the same authors, one published in the Journal of the Air and Waste Management Association and one published in Journal of Toxicology and Environmental Health, Part A.
We have been informed in our decision-making by our policy on publishing ethics and integrity and the COPE guidelines on retractions. The retracted article will remain online to maintain the scholarly record, but it will be digitally watermarked on each page as “Retracted”.