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Discover LudwigThe phrase "ascertain a cause" is correct and usable in written English.
It can be used when discussing the process of determining or discovering the reason behind an event or situation.
Example: "The investigators worked diligently to ascertain a cause for the sudden failure of the machinery."
Alternatives: "determine a reason" or "identify a cause".
Exact(1)
That's particularly true if the patient is deceased—"It's difficult to ascertain a cause of death when you don't have a core body temperature," notes George Luber, associate director for climate change at the CDC.
Similar(59)
We adapted the hierarchies used in the Obaapa study[ 16] - one of the few which validated hierarchical algorithms using verbal autopsy data to ascertain a primary cause of stillbirths - with a few modifications.
These variables make it impossible to ascertain a cause/effect relationship between the HDL concentration and insulin sensitivity.
Paul Casey will undergo an MRI scan this week to ascertain the cause of a toe injury that has dogged him over the first half of the summer.
But with 10 worms, we've ascertained a dose that does not cause symptoms.
Since closing, the chef has run his own tests and called environmental health officers in, in an attempt to ascertain the cause - nothing has been found wrong, either with the kitchen, or the food.
They also tend to be curious; when startled, they will often hesitate an instant to ascertain the cause of their fright, and may not always flee from something that they perceive as non-threatening.
And I certainly didn't feel safe under the care of a doctor at a hospital in Vientiane, Laos, particularly not when she attempted to draw my blood with an unwrapped needle to ascertain the cause of my travel illness.
Following an anomalous decrease in assayed Aβ42 concentration in the same CSF between two laboratories, an investigation was made to ascertain the cause.
In such a case, it is important to ascertain the cause of the premature death.
It is difficult to ascertain the cause and effect relationship, as only a single episode was observed.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com