TY - RPRT TI - Ochratoxin A in wheat: certification of two reference materials. AU - G M Wood AU - S Patel AU - A C Entwisle AU - A C Williams AU - A Boenke AU - P J Farnell PY - 1997 DO - 10.1080/02652039709374521 UR - https://pubmed.ncbi.nlm.nih.gov/9135721/ ID - 9135721 ER -