Effects of Different Kinds, Different Doses of 5-HT3 Receptor Antagonists on Prevention of Hypotension After Spinal Anesthesia
Effects of Different Kinds, Different Doses of 5-HT3 Receptor Antagonists on Prevention of Hypotension After Spinal Anesthesia
The purpose of this study is to estimate effects of different kinds, different dose of 5-HT3 receptor antagonists on prevention of hypotension after spinal anesthesia
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Exclusion Criteria: