@incollection{,
	
					
					
					03B4414CB480D6F24D5B06FF53EE95EE
				,
	author={{Wiaam NasrallahAbdallah} and {Omdurman University}},
	journal={{Global Journal of Medical Research}},
	journal={{GJMR}}2249-46180975-588810.34257/GJMR,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}1422528
}

@incollection{b0,
	
	
		,
	title={{Philipp Bozzini -father of endoscopy}}
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	year={2003}
		
	

}

@incollection{b1,
	
	
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	title={{Flexible ureteroscopy update: Indications, instrumentation andtechnical advances}}
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	author={{
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			M
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	journal={{Indian Journal of Urology}}
		
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	year={2008}
		
	

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@incollection{b2,
	
	
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	title={{Complications of 2735 retrograde semirigidureteroscopy procedures: A single centerexperience}}
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			PGaevlete
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	journal={{Journal of Endourology}}
		
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@book{b3,
	
	
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	year={2005}
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	journal={{International journal of urology}}
		
			10
			
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	year={2003}
		
	

}

@incollection{b5,
	
	
		,
	title={{The usefulness of ureterorenoscopic examination in evaluation of upper tract disease}}
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	author={{
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	journal={{International journal of urology}}
		
			13
			
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}

@incollection{b6,
	
	
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	title={{Secondary ureteroscopy: Results and management strategy at referral center}}
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@incollection{b7,
	
	
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	title={{Same session bilateral ureteroscopy is safe and efficacious}}
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@book{b8,
	
	
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	title={{A complication of ureteroscopy to in situ extracorporeal shockwave lithotripsy for treatmentof ureteral calculi, The journal of urology}}
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	year={1999}
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@incollection{b9,
	
	
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	title={{Ureteroscopy in a Resource Limited Setting: The Tikur Anbessa General Specialized Hospital Experience in Addis Ababa}}
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	author={{
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}

@incollection{b10,
	
	
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	title={{A Retrospective Study of Ureteroscopy Performed at the Sultan Qaboos Hospital}}
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@incollection{b11,
	
	
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	title={{Nonenhanced helical CT and US in the emergency evaluation of patients with renal colic: prospective comparison}}
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	author={{
			DHSheafor
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@incollection{b12,
	
	
		,
	title={{Ureteroscopy -an essential modern approach in upper urinary tract diagnosis and treatment}}
		,
	author={{
			PGeavlete
		} and {
			.MDr
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@incollection{b13,
	
	
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	title={{}}
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			ASerraw Pascual
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@incollection{b14,
	
	
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	title={{Ureteral catheterization in uncomplicated ureterlithotomy, A randomized controlled trail}}
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	author={{
			HDjaladat
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			Tajikp
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	journal={{Eur Urol}}
		
			52
			
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	year={2007}
		
	

}

@incollection{b15,
	
	
		,
	title={{Antibiotics prophylaxes in ureteroscope: what strategy should adopt?}}
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	author={{
			CPnicope
		} and {
			CDor Bat
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	journal={{Germs}}
		
			3
			9
			
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	year={2011}
		
	

}