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2 Ministry of Food and Drug Safety Integrated Medicine Information System, "Zydena 100 mg (udenafil)"
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4 Laties A, "Viagra(sildenafil citrate)and ophthalmology" 21 (21): 485-506, 2002
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6 Ministry of Food and Drug Safety Integrated Medicine Information System, "VIAGRA® Tablets 50 mg/ 100 mg (sildenafil citrate) 2014"
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1 홍경섭, "약물이상반응의 인과성 평가를 위한 한국형 알고리즘의 개발" 대한임상약리학회 10 (10): 129-142, 2002
2 Ministry of Food and Drug Safety Integrated Medicine Information System, "Zydena 100 mg (udenafil)"
3 Li Y-Y, "Visual impairment with possible macular changes after a high dose of sildenafil in a healthy young woman" 11 (11): 340-342, 2018
4 Laties A, "Viagra(sildenafil citrate)and ophthalmology" 21 (21): 485-506, 2002
5 Ebrey T, "Vertebrate photoreceptors" 20 (20): 49-94, 2001
6 Ministry of Food and Drug Safety Integrated Medicine Information System, "VIAGRA® Tablets 50 mg/ 100 mg (sildenafil citrate) 2014"
7 Wallis RM, "Tissue distribution of phosphodiesterase families and the effects of sildenafil on tissue cyclic nucleotides, platelet function, and the contractile responses of trabeculae carneae and aortic rings in vitro" 83 (83): 3-12, 1999
8 World Health Organization (WHO) — Uppsala Monitoring Centre, "The use of the WHO-UMC system for standardized case causality assessment"
9 Wallis RM, "The pharmacology of sildenafil, a novel and selective inhibitor of phosphodiesterase (PDE) type 5" 114 (114): 22-26, 1999
10 Boolell M, "Sildenafil: an orally active type 5 cyclic GMP-specific phosphodiesterase inhibitor for the treatment of penile erectile dysfunction" 8 (8): 47-52, 1996
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26 Wespes E, "EAU Guidelines on erectile dysfunction : an update" 49 (49): 806-815, 2006
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31 Ministry of Food and Drug Safety Integrated Medicine Information System, "Cialis 10 mg (tadalafil) 2017"
32 Cote RH, "Characteristics of photoreceptor PDE(PDE6) : similarities and differences to PDE5" 16 (16): S28-S33, 2004
33 Guler S, "Blue vision and sinus tachycardia : sildenafil citrate overdose" 6 : 87-89, 2015
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