"should one exist" is correct and can be used in written English.
You can use this phrase when referring to something theoretical or hypothetical that may or may not exist. For example, "We must consider all possibilities, should one exist."
This estimate is below the mean minimally important difference for the EQ-5D index (0.074 utility) [ 23], suggesting the current study would detect a clinically meaningful difference in utility should one exist.
We are currently working toward a clear differential diagnosis based on gene expression (should one exist) in an attempt to more clearly elucidate the structural origin of neurons derived in our model.
He said that recordings of barking dogs don't make the grade, but a dog who could sing words — should one exist — could be sufficiently annoying.
It therefore makes possible the determination of liquid and vapour phase densities and composition at prescribed pressures and temperatures for two phases as well as the determination of the same quantities for a second liquid phase should one exist.
That is, the definition of our outcome is too blunt to detect an association should one exist.
Whilst these numbers are quite small, they are nonetheless sufficient to identify an effect, should one exist (57).
As a result, the impact of a small sample size (in particular the limited cases of non-mucinous cysts) may include inadequate power to demonstrate a difference between non-mucinous and mucinous AREG levels should one truly exist.
The bottom line is that the official account of events – if one exists – should always be questioned because governments in general cannot be trusted to tell people the truth.
Then, after a pause, he adds: "If Iraq ever became truly democratic, maybe .Masrur Barzani, the 38-year-old intelligence chief and possible future head of the Barzani clan, recommends a "three-state solution", presumably meaning that Iraq, which he calls "the illusion of a country that doesn't really exist", should one day be divided into a three-way confederation.
In accordance with this, other civilizations, including more "successful" ones, should exist an infinite number of times on the "preceding" and the "following" pages of the Book of the Universe.
A read-out mechanism to translate ambiguous analog molecular codes into rigid digital ones should exist, as demonstrated by the nonlinear but stable decoding system of molecules and morphology.
