Sentence examples for it remains unknown why from inspiring English sources

While its is clear the importance of a rapid causative diagnosis, it remains unknown why some intubated patients remain infection free while other develop VAP and other tracheobronchitis [7].

It remains unknown why in 2009 Bergdahl left his remote military outpost, near the border with Pakistan, unarmed.

Many readers became concerned that Lee, aged 89, frail and living in a nursing home, had been manipulated into releasing it as it remains unknown why she waited to long to do so.

Exertion of self-control has been associated with impaired performance on subsequent physical tasks also requiring self-control, but it remains unknown why this occurs.

It remains unknown why patient characteristics, cancer pathology and survival differ between CC subsites.

Specifically, it remains unknown, why age was different between the two cohorts.

It remains unknown why females with documented cellulite grade 0 according to Nürnberger and Müller, 7 ie, no cellulite, were eligible for and enrolled in this study.

It also remains unknown why the bridge of Alconétar is called Puente de Mantible in the local vernacular, an expression which alludes to the legend of Charlemagne and his Twelve Paladins.

It, for example, remains unknown why bacteria of the genus Corynebacterium are so prevalent in adults, but almost absent in chicks.

Nevertheless, since the A2063T transversion mutation must be related to more profound damage to growth efficiency, the reason remains unknown why so many strains with the rarely reported A2063T mutation, a total of 27, were isolated in this study (in the Fukuoka area).

It remains unknown as to why some became critically ill whilst others infected with the same virus remain relatively unaffected.