No abstract available
MeSH terms
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Bosentan
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Drug Therapy, Combination
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Endothelin A Receptor Antagonists*
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Fingers*
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Humans
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Male
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Middle Aged
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Phosphodiesterase 5 Inhibitors / administration & dosage*
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Piperazines / administration & dosage*
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Purines / administration & dosage
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Scleroderma, Systemic / complications*
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Sildenafil Citrate
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Skin Ulcer / complications
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Skin Ulcer / drug therapy*
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Sulfonamides / administration & dosage*
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Sulfones / administration & dosage*
Substances
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Endothelin A Receptor Antagonists
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Phosphodiesterase 5 Inhibitors
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Piperazines
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Purines
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Sulfonamides
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Sulfones
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Sildenafil Citrate
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Bosentan