ASHA is the accrediting body of professional speech-language pathologists, audiologists, and speech, language, and hearing scientists in the United States. Some full-text for non-ASHA members.
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LibKey
If you find an abstract, but aren't sure if the Library has access to full text, give LibKey at try. Libkey.io will review the App State databases and Journals to connect your DOI with the Full Text, if it is available.