英语语法分析

Cryoglobulin was detected by cold precipitation.

冷球蛋白用冷沉淀法检测。

There was no correlation between changes in cryoglobulin level or cryoglobulin detectability and resolution of symptoms.

冷球蛋白水平变化或冷球蛋白可检测与否和症状解决之间没有相关性。