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

1.为检测肠道吸收异常和蠕动功能降低，我皮病患者使用定同位素13C标记酸吸收呼吸试验，前瞻性地观察到了胃肠道受累过程。