Sentence examples for unavailability of control from inspiring English sources

The reasons for our inability to validate the remaining haplogroups are the unavailability of control samples to identify deeper splits in the tree.

But here's a far more widespread challenge, one that's also more fixable: the unavailability of birth control in many poor countries.

Untimely stops, incidents occurrences or the unavailability of the control system have important economical consequences.

The fault tolerant level is used to specify the dependability and to fix the number of failures that can induce the unavailability of the control system.

In some countries the unavailability of birth-control devices was a factor in the acceptance of abortion.

Unavailability of a common control channel which is always available.

Eight esophageal cancer cases were also excluded due to the unavailability of an appropriate control during the study period.

However, manufacturing stable molecules has proven to be costly and time-consuming, which in turn has hampered certain aspects of preclinical evaluation including the unavailability of appropriate "negative" controls.

Because of the unavailability of good positive controls for the ARE- bla-mut follow-up assay, all data were normalized to DMSO wells (0%, basal) and ARE- bla wells (100%, maximal β-napthoflavone control response).

The problems of unavailability of a single accepted control measure coupled with increased drug resistance of the parasite causing malaria have made it even more lethal.

The study also has certain limitations including use of self reported questionnaires instead of diagnostic interview and unavailability of diagnosis for the control group.