Sentence examples for it is however difficult to predict from inspiring English sources

It is however difficult to predict whether the observed effects in sediment dwellers are environmentally relevant, since effect concentrations change when different dispersion protocols are introduced.

It is, however, difficult to predict if, when and in which patients insulin therapy will be needed.

It is, however, difficult to predict the in vivo consequences of PPARγ activation solely based on the results obtained from in vitro studies.

It is, however, difficult to predict results in vivo on the basis of in vitro data [ 23], and in vitro studies do not conclusively support IGFR activation as the mechanism of increased mitogenic activity.

It is however difficult to predict exactly which processes (e.g., cell proliferation or apoptosis) are influenced by these signal transduction pathways, but it could suggest carcinogenic potential of phenanthrene in higher animals.

It added: "The timing of the recovery is, however, difficult to predict.

However, it is still difficult to predict accurately the susceptibility and adaptability to hypoxia.

However, the vertical change of the soft tissue after surgery is still difficult to predict.

It is however proving extraordinarily difficult to predict sales accurately in these turbulent markets.

However, it is usually difficult to predict whether a particular drug will be effective in an individual patient.

However, its inherent nature of uncertainty determines it is extremely difficult to predict wind power [13, 14, 15].