@book{8031,
	author = {Schult, Sandra and Canelo-Aybar, Carlos},
	title = {Oxygen saturation in healthy children aged 5 to 16 years residing in Huayllay, Peru at 4340 m.},
	url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3114159/pdf/ham.2009.1094.pdf}
}