Causality, and the potential bidirectional nature thereof, cannot yet be definitively determined from available, mostly cross-sectional evidence.
It doesn't help that there's no single test available to definitively diagnose the disorder, and no easy-to-use online directory of qualified doctors.
No laboratory tests are currently available to definitively confirm a diagnosis of CM, and misdiagnosis may result in increased adverse outcomes [34], [35].
Unfortunately, there are no outcome data available to definitively answer this question.
Although the source of butyl paraben contamination in the MoBa samples could not be definitively established with the available information, it appears that the urinary preservative containing 5.6% ethyl paraben was the source of the detected ethyl paraben.
No evidence is available to definitively explain the change in blood pressure seen in the control group and reasons for this would only be speculative, but it may simply have been a chance finding.
Neither of the two models presented here can be definitively validated using the available experimental evidence, but the issue could be settled by the determination of mitotic recombination rates or of the proportions of dCTPs and dGTPs during the S phase.
There is limited data available to definitively quantify the number of prostate cancer patients who follow different pathways of care, and we hope this study has highlighted the importance of collecting and reporting of such data to help future health care planning for these patients.
Fischer et al. (13 ) reported the absence of clinical evidence of infection in 2 recipients of corneas procured from the organ donor involved in the 2005 organ transplant transmitted LCMV outbreak; however, no samples were available to definitively determine the absence of infection.
At today's hearing, Frieden said did not know "definitively" how many courses were available.
No available treatment is definitively effective in curing GCTB, especially in surgically unresectable cases.
