Name	Info	Provider	Link
	free resource	BioMed Central	https://diagnosticpathology.biomedcentral.com/articles/10.1186/s13000-014-0174-z
Carcinoid Tumors	free resource	MedlinePlus Health Information	https://medlineplus.gov/carcinoidtumors.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25318848/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25318848
	free resource	scite Smart Citations	https://scite.ai/reports/25318848