This article also points out that the correct differentiation and classification of the phenomena of abnormal colour sense have much room for a deep and systematic research.
同时也提出了关于对各种异常色觉现象的正确鉴别和分类还有待于做深入、系统的研究。
Colour Doppler ultrasound was used when abnormal flow was found.
彩色多普勒超声观察病变区域血流情况。
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