Perhaps you should try some spelling variations:
"physiological and biochemical analyses" » "physiological and biochemical analysis", "physiological and histochemical analysis", "physiological and phytochemical analysis", "physiological and biochemicals analysis", "physiological and biobiochemical analysis"
"physiological and chemical analyses" » "physiological and chemical analysis", "physiological and chemicals analysis", "physiological and biochemical analysis"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"physiological and biochemical analyses\") OR (\"physiological and chemical analyses\"))".
• Removing quotes may allow a broader search: (( physiological and biochemical analyses ) OR ( physiological and chemical analyses )).
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