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2002 • 2,715 citations

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2001 • 1,521 citations

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1999 • 536 citations

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2003 • 526 citations

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1999 • 397 citations

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2002 • 347 citations

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2004 • 257 citations

Chronic Sildenafil Treatment Inhibits Monocrotaline-induced Pulmonary Hypertension in Rats

2003 • 253 citations

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2003 • 244 citations

Inhibitory effects of amiodarone and its N‐deethylated metabolite on human cytochrome P450 activities: Prediction of in vivo drug interactions

2000 • 179 citations

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2001 • 152 citations

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2000 • 133 citations

Comparative human pharmacokinetics and metabolism of single‐dose oral and intravenous sildenafil

2002 • 119 citations

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2004 • 110 citations

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2002 • 83 citations

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2002 • 71 citations

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2002 • 56 citations