英语语法分析

Subcutaneous or intrarectal administration is more suitable to some patients.

皮下注射或直肠内给药可能更适合某些病人。

One large trial (898 children) reported that intrarectal was less painful than intramuscular administration.

其中一个大型试验（898个儿童）报告与肌肉注射比较下，直肠给药比较不会感到疼痛。

We detected no difference in the effect on parasites and clinical illness for intrarectal quinine, but most trials were small.

我们发现直肠给予奎宁对于寄生虫及临床疾病之疗效上并未有差异，但大部分试验的规模都很小。