be attributable to

A significant impediment to the success of cancer chemotherapy is multidrug resistance ( MDR) and this could be attributable to concomitance of multiple intricate mechanisms.

肿瘤多药耐药（MDR）是导致肿瘤化疗失败的主要原因之一，是多种复杂机制共同作用的结果。

The aetiological fraction attributable to differences in work environment exposures was calculated to be 40 %.

工作环境暴露的差异约占病假可归因危险的40%.

Mutation was not detected in all patients indicating that other factors be attributable to hypospadias occurrence.

不是在所有病人中均发现了突变,提示还有别的因素参与了尿道下裂的发生.

Conclusions Variability in dietary weight loss trials may be partially attributable to differences in hormonal response.

结论:饮食体重减轻试验的可变性可能部分归咎于对激素反应的差异.