Tuna Species Substitution in the Spanish Commercial Chain: A Knock-On Effect Gordoa, Ana ; Carreras, Gustavo ; Sanz, Nuria ; Viñas, Jordi Abstract Publication: PLoS ONE Pub Date: January 2017 DOI: 10.1371/journal.pone.0170809 Bibcode: 2017PLoSO..1270809G