Objective: To investigate the characteristic and change regularity of ECG in early repolarization syndrome by analysing36 cases of early repolarization syndrome (ERS).

目的：探讨早期复极综合征(ERS)的心电图特点和变化规律，以减少误诊。

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Objective to summarize the syndrome and symptoms distribution regularity and to explore the major cause, pathogenesis of PCOS patients.

目的：探讨PCOS患者的临床症状分布规律和证候分布规律，探讨其发病的主要病因病机。

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Objective: To probe distribution regularity of essential elements of syndrome of COPD at stable phase.

目的：探讨COPD稳定期证候要素的分布规律，为COPD稳定期中医证候的分布规律提供依据。

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