Name	Info	Provider	Link
Intestinal Obstruction	free resource	MedlinePlus Health Information	https://medlineplus.gov/intestinalobstruction.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32140429/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32140429
	free resource	Ubiquity Press	https://doi.org/10.5334/aogh.2586