@article {211727,
	title = {A guide to do randomized controlled trials in the field of otolaryngology},
	journal = {The Egyptian Journal of Otolaryngology},
	volume = {37},
	year = {2021},
	attachments = {https://scholar.cu.edu.eg/sites/default/files/mosaad/files/3.pdf},
	author = {Sameh M. Zamzam and Mosaad Abdel-Aziz and Ahmed Atef and Usama Abdel-Nasser}
}
