Retraction Note: Safety and efficacy of sildenafil citrate in the treatment of Parkinson-emergent erectile dysfunction: a double-blind, Placebo-controlled, randomized study
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2009 ◽
Vol 181
(1)
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pp. 252-258
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2010 ◽
Vol 22
(5)
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pp. 325-335
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2009 ◽
Vol 6
(12)
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pp. 3469-3477
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1997 ◽
Vol 9
(3)
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pp. 155-161
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2006 ◽
Vol 175
(3)
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pp. 1058-1062
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2005 ◽
Vol 18
(2)
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pp. 164-169
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