Perhaps you should try some spelling variations:
"practical therapeutic modalities" » "practice therapeutic modalities", "critical therapeutic modalities", "preclinical therapeutic modalities"
"effective therapeutic modalities" » "effective therapy modalities"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("practical therapeutic modalities") OR ("effective therapeutic modalities")).
• Removing quotes may allow a broader search: (( practical therapeutic modalities ) or ( effective therapeutic modalities )).
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