1. Hanno P. Lower urinary tract infections and pyelonephritis. In: Hanno P, Guzzo T, Malkowicz B, Wein A, editors. Penn clinical manual of urology. Philadelphia: Saunders; 2014. p. 110–32.
2. Zoltan E, Cockrell R. Sexually transmitted infections. In: Hanno P, Guzzo T, Malkowicz B, Wein A, editors. Penn clinical manual of urology. Philadelphia: Saunders; 2014. p. 164–94.
3. Blaivas J, Groutz A. Bladder outlet obstruction nomogram for women with lower urinary tract symptomatology. Neurourol Urodyn. 2000;19(5):553–64.
4. Metro M. Urethral stricture disease. In: Hano P, Guzzo T, Malkowicz B, Wein A, editors. Penn clinical manual of urology. Philadelphia: Saunders; 2014. p. 284–300.
5. Pal DK, Kumar S, Ghosh B. Direct visual internal urethrotomy: is it a durable treatment option? Urol Annals. 2017;9(1):18–22. https://doi.org/10.4103/0974-7796.198835.