Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S2589-9333(21)00053-7
Pulmonary Hypertension	free resource	MedlinePlus Health Information	https://medlineplus.gov/pulmonaryhypertension.html
	free resource	scite Smart Citations	https://scite.ai/reports/33785463