Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S1751-9918(18)30381-4
Talking With Your Doctor free resource MedlinePlus Health Information https://medlineplus.gov/talkingwithyourdoctor.html
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S1751-9918(18)30381-4