Details regarding the effect of different patterns of use of HRT on the risk of false positive recall, including the effect of duration of use of HRT and use of different HRT preparations, are lacking, and it is not clear whether the effects of current and past use of HRT vary between women with different characteristics and between studies.
Colonoscopy is considered the criterion standard for detecting colorectal cancer; adequate preparation is crucial for an effective colonoscopy, but definitive data on the optimal preparation are lacking.
Evidence for a clinical benefit using oral iron preparations in heart failure is lacking.
In addition, standard curricula that would help ensure that children receive adequate and appropriate preparation for kindergarten and first grade is lacking.
If you frequently need to email after an interview to provide vital information, your interview preparation could be lacking in focus.
The discrepancy may reflect functional cooperation between adjacent β- and non-β cells, which would be present in our intact islet preparation, but would be lacking in clonal β-cell lines [34].
Apart from these applications, studies about the possibility to use rice bran oil for the preparation of other oleochemicals are lacking.
For three of the preparations (naproxen, diclofenac, and etoricoxib) evidence was lacking for an increased risk of myocardial infarction compared with placebo (fig 2).
Some of the soldiers were "defeated psychologically", and were "lacking proper military preparation".
When these have been lacking, more time will generally be needed for preparation and comprehensive treatment.
