This article refers to:
Angelo Canale, Roberto Canovai, Francesca Cosci, Paolo Giannotti and Giovanni Benelli (2014) Survey of Italian honeys for the presence of foreign matter using the filth test. Food Additives & Contaminants: Part A, http://dx.doi.org/10.1080/19440049.2014.893590
When the above article was first published online, Figure 1 was incomplete (the last 4 bars were missing). This has now been corrected in both the print and online versions.
Taylor & Francis apologises for this error