Name | Info | Provider | Link |
---|---|---|---|
free resource | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/S1808-8694(15)30542-5 | |
Endoscopy | free resource | MedlinePlus Health Information | https://medlineplus.gov/endoscopy.html |
free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20209280/ | |
free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/20209280 |