The phrase "a unique cause of" is correct and usable in written English.
It can be used when discussing a specific reason or factor that is distinct or singular in its effect or influence on a particular outcome or situation.
Example: "The researchers identified a unique cause of the disease that had not been previously recognized."
Alternatives: "a distinct reason for" or "an exclusive factor in".
For a time Freud alleged that sexual abuse in childhood was the unique cause of neurosis, soon claiming that this abuse was always and only perpetrated by the father.
For when God intervenes to bring about an effect contrary to what the demon wills, it is clear that God is the unique cause of the event.
It was concluded that, depending on the conditions of the SBS process, only variations of topography were found on the EVA films, being therefore the unique cause of different adhesion capacity of E. coli cells.
So by identifying God's conserving activity with his activity as creator ex nihilo, Malebranche appears to arguing that even in cases where the creatures are conserved, God is the unique cause of both their esse and modes.
To assign the unique cause of death from the immediate and underlying causes, the physicians prioritized the main cause of diseases.
Our data support the dysferlin gene as the unique cause of Dysferlin deficiency between 0 and 20% by WB analysis.
Moreover, NSCLC was not the unique cause of death because patients died also of competing events such as cardiovascular diseases, other non-neoplastic diseases and different types of tumours; eventually, the 10-year crude survival rate was only 43%.
Binding of E7 to pRb causes the release of the E2Fs and the consequent activation of genes that encode proteins promoting cell cycle progression to S phase: this association is considered the main, but not unique, cause of E7 oncogenic activity [ 11, 12].
These same researchers identified a further seven unique causes of dominant white in 2009: three in distinct families of Thoroughbreds, one Icelandic horse, one Holsteiner, a large family of American Quarter Horses and a family of South German Draft horses.
