Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1091-255X(23)06366-7
Achalasia	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/99
	subscription/membership/fee required	Springer	https://link.springer.com/article/10.1007/s11605-015-3006-x