Name	Info	Provider	Link
	subscription/membership/fee required	Chinese Medical Association Publishing House Ltd.	https://www.yiigle.com/LinkIn.do?linkin_type=pubmed&issn=1001-0939&year=2017&vol=40&issue=6&fpage=450
Respiratory Failure	free resource	MedlinePlus Health Information	https://medlineplus.gov/respiratoryfailure.html