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The Search Strategy applies inside each field (e.g., in Tumor Types (Animal): 'Benign Tumors' AND 'Papilloma' vs. 'Benign Tumors' OR 'Papilloma') as well as between them (e.g., 'Organ or Tissue: Bone' AND 'Routes (Animal): inhalation' vs. 'Organ or Tissue: Bone' OR 'Routes (Animal): inhalation'). Multiple selections with AND logic will be possible only when at least one entry satisfying the search is available.

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