Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0002-9378(17)30427-1
Breathing Problems	free resource	MedlinePlus Health Information	https://medlineplus.gov/breathingproblems.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=28342715.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28342715/
Full Text at the institutional repository	free resource	Andalusian Health Repository	http://hdl.handle.net/10668/11006
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/28342715
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0002-9378(17)30427-1
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/116166
	free resource	scite Smart Citations	https://scite.ai/reports/28342715