Breath tests using fatty acids with a stable isotope (13C) were carried out on patients with SSc in order to detect malabsorption and hypoperistalsis.

• 为检测肠道吸收异常和蠕动功能降低，我们对硬皮病患者使用稳定同位素13C标记的脂肪酸吸收呼吸试验，前瞻性地观察到了胃肠道的受累过程。