标题：Opinion of the Scientific Panel on Plant protection products and their residues (PPR) on the scientific principles in the assessment and guidance provided in the area of environmental fate, exposure, ecotoxicology, and residues between 2003 and 2006
关键词：Opinion of the PPR Panel on the scientific principles in the assessment and guidance provided in the area of environmental fate; exposure; ecotoxicology; and residues between 2003 and 2006
