Name Info Provider Link
subscription/membership/fee required Atypon https://psychiatryonline.org/doi/10.1176/ajp.143.9.1126?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
Choosing a Doctor or Health Care Service free resource MedlinePlus Health Information https://medlineplus.gov/choosingadoctororhealthcareservice.html