| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/S2212-5345(12)00032-9 | |
| COPD | free resource | MedlinePlus Health Information | https://medlineplus.gov/copd.html |
| free resource | NCI CPTAC Assay Portal | https://assays.cancer.gov/CPTAC-472 | |
| subscription/membership/fee required | ClinicalKey | https://www.clinicalkey.com/content/playBy/pii?v=S2212-5345(12)00032-9 |