1. Ochratoxin A production by strains of Aspergillus niger var. niger;Abarca;Appl. Environ. Microbiol.,1994
2. Current importance of ochratoxin A-producing Aspergillus spp;Abarca;J. Food Prot.,2001
3. New PCR method to differentiate species in the Aspergillus niger aggregate;Accensi;FEMS Microbiol. Lett.,1999
4. Distribution of ochratoxin producing strains in the A. niger aggregate. Anton Leeuw;Accensi;Int. J. G.,2001
5. Anonymous, 1998. Position paper on ochratoxin A, Codex Alimentarius Commission, Codex Committee on Food Additives and Contaminants, Thirty-first session, The Hague, The Netherlands, 22–26 March 1999, CX/FAC 99/14.