Perhaps you should try some spelling variations:
nutrient requirements » nutritional requirements
requirements extra » requirements data, requirements eastman, requirements andrea
bioarrays from » microarrays from
days from » decays from, delays from, plays from
bioarrays » bioarray, bioarways, bioarrats
rays » ray, ways, rats

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• Performing a fuzzy search may retrieve terms with similar spellings: nutrient requirements extra dimensions ((bioarrays from) or (((days from) or (rays from))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nutrient requirements extra dimensions ((bioarrays from) OR (((days from) OR (rays from)))).
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