@article {48825,
	title = {Oxygen Therapy},
	journal = {The Egyptian Journal of occupational Medicine},
	volume = {38},
	year = {2014},
	pages = {111-123},
	attachments = {https://scholar.cu.edu.eg/sites/default/files/sawsanhelal/files/sawsan_oxygen_therapy2.docx},
	author = {Sawsan Farouk Helal}
}
