Name Info Provider Link
subscription/membership/fee required Atypon https://pubs.asha.org/doi/10.1044/2022_JSLHR-22-00284?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
Parkinson's Disease free resource MedlinePlus Health Information https://medlineplus.gov/parkinsonsdisease.html