| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/S2213-2198(23)00173-3 | |
| Cold and Cough Medicines | free resource | MedlinePlus Health Information | https://medlineplus.gov/coldandcoughmedicines.html |
| subscription/membership/fee required | ClinicalKey | https://www.clinicalkey.com/content/playBy/pii?v=S2213-2198(23)00173-3 |