No abstract available
Publication types
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Clinical Trial
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Controlled Clinical Trial
MeSH terms
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Clinical Trials as Topic
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Drug Synergism
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Guanethidine / therapeutic use*
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Heart Rate / drug effects
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Humans
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Hypertension / drug therapy*
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Injections, Intravenous
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Norepinephrine / pharmacology
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Phenoxybenzamine / pharmacology*
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Placebos
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Sympathetic Nervous System / drug effects
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Valsalva Maneuver
Substances
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Placebos
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Phenoxybenzamine
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Norepinephrine
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Guanethidine