Sentence examples for this effect is unclear from inspiring English sources

The mechanism of this effect is unclear.

The mechanism underlying this effect is unclear.

However, the magnitude of this effect is unclear.

Larger food portions lead to increased intake but the mechanism behind this effect is unclear.

However, in the older animals, the normoglycemia could not be restored and the reason behind this effect is unclear.

The origin for this effect is unclear, but it is possibly related to disproportionation reactions involving intermediate sulfur species.

There is some evidence that aspirin is effective at preventing colorectal cancer, though the mechanisms of this effect are unclear.

Electrical charges have been shown to enhance nerve regeneration; however, the mechanisms for this effect are unclear.

However the underlying factors of this effect are unclear.

Although the exact mechanisms for this effect are unclear, insecticides may affect the insect cuticle and facilitate fungal penetration, or may inhibit cellular and humoral immune responses and facilitate fungal infection inside the body as shown in other insect species [40], [41].

Mechanisms underlying this effect are unclear.