本文对原发性进行性失语（PPA）进行了分类，而且还介绍了其3种主要变异，旨在增强病例报告的统一性并提高研究结果的可靠性。

This article provides a classification of primary progressive aphasia (PPA) and its 3 main variants to improve the uniformity of case reporting and the reliability of research results.

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本文对原发性进行性失语（PPA）进行了分类，而且还介绍了其3种主要变异，旨在增强病例报告的统一性并提高研究结果的可靠性。

This article provides a classification of primary progressive aphasia (PPA) and its 3 main variants to improve the uniformity of case reporting and the reliability of research results.

youdao