The phrase "except only a few" is grammatically correct and can be used in written English.
It is often used to indicate that something or someone is excluded or excluded to a certain extent. Example: "All the students passed the exam, except only a few who had trouble understanding the material."
Except, only a few months ago, the old industrial engine at the heart of the eurozone was known to be heading for the scrapheap of history.
In this process, it can be found that except only a few sucked stars, the position of most stars do not change, so their fitness function values have not changed.
Three-way interactions in expression have not been considered except only a few cases of using simple methods (Li et al., 2004; Zhang et al., 2007).
This would have many benefits, including reducing the piecemeal change, the confusion and the additional costs while, subject to the finer details, certainly avoiding the increased contributions for possibly all, or excepting only a few.
Most of the sampled regions exhibit low velocity anomalies in the tomographic image, except for only a few high-velocity areas.
Except for only a few diseases such as cancer [10], there has been no systematic investigation of the network properties of a complex disease by examining the whole human interactome.
However, the transgenic lines showed healthy growth except that only a few old leaves became bleached.
Most of the DEGs were also validated at CA storage for six months (except for MdPLA2), whereas only a few were verified at CA storage for two months (browning-inducing conditions at high CO2 levels).
I couldn't leave them [son and husband] together at home, because my husband didn't want to look after our son except when I went out for only a few minutes, not more than half an hour.
At night, turn all lights off except for a lit candle for only a few hours of the night.
Except in predatory or nocturnal amphipods, the eyes are small and consist of only a few facets.
