| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Ediciones Doyma, S.L. | http://www.elsevier.es/en/linksolver/ft/pii/S0301-0546(18)30159-9 | |
| subscription/membership/fee required | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/S0301-0546(18)30159-9 | |
| Asthma in Children | free resource | MedlinePlus Health Information | https://medlineplus.gov/asthmainchildren.html |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30595390/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/30595390 | |
| Asthma | free resource | MedlinePlus Consumer Health Information | https://medlineplus.gov/asthma.html |