Based on complex cepstrum, the vocal tract vibrations and sub-glottal voice sources of both male and female in chest region were examined.

研究男女胸声区不同发声条件下声带振动和声门下嗓音源特性。

Video 1: A 32-year-old female suffered from pain of chest and back and came to clinic.

视频1： 女性患者，32岁。 主因胸背部疼痛6个月入院。 查体：双下肢肌力5级，病理征阳性。