The word "only" is correct and usable in written English.
It is used to emphasize or contrast an idea or statement. For example, "I only have one hour to finish this project."
To control for tissue specificity, only specific enhancers were examined.
3. Specificity: exposure causes only specific effect.
Specifically, the bi-modal pattern of distances emerges for only specific year and gene combinations.
"The only specific examples he spoke about were the Commonwealth and the illegal wildlife trade.
The patents, he said, cover only specific, applied knowledge about human genes.
"The governor's only specific request was that we remove the names," Ms. Stoll said.
"Now we're able to pinpoint not only specific markets but specific flights within specific markets".
Ideally, a good quote is not only specific to its dramatic context, but has universal application.
Only specific subsets of a cell's genes are used.
McCarron's only specific plan for his retirement is to get some rest.
Upon closer inspection, the paper admitted, its only specific example of a deceased voter casting a ballot didn't hold up.
