| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/S1055-3207(21)00066-1 | |
| subscription/membership/fee required | W.B. Saunders | http://journals.elsevierhealth.com/retrieve/pii/S1055-3207(21)00066-1 | |
| subscription/membership/fee required | ClinicalKey | https://www.clinicalkey.com/content/playBy/pii?v=S1055-3207(21)00066-1 |