The phrase "also found that once" is correct and usable in written English.
It can be used when discussing findings or results in research or analysis, particularly when referring to a specific instance or occurrence.
Example: "The researchers also found that once the treatment was applied, the symptoms significantly decreased."
Alternatives: "also discovered that when" or "also noted that after".
But it also found that once management control passes to the second generation, they generally perform worse.
Meanwhile, the study results also found that once consumers buy a home, get a mortgage and have a positive experience owning, they wanted to continue to own.
It was also found that once the W2N phase was formed, the density, microstructure and bonding feature were similar and insensitive to the total sputtering-gas pressure used in this study.
The team also found that once dottybacks matched the colour of adult damselfish, they were up to three times more successful at capturing juvenile damselfish.
However, we also found that once adjusting for the indirect positive links between teacher contact and the five outcomes (as relayed via the initial adjustment indicators), more teacher contact predicted less favorable outcomes.
He also found that once people are in power positions, those qualities too often take a back seat to self-entitlement, indifference to the plight of others, negative interruptions in conversation, and ignoring even basic politeness.
We also find that, once dark matter is taken into account, global net asset positions appear to be relatively stable.
We also find that, once initiated, illegal actions can become hidden because of institutionalized practices that enable their concealment and that weaken the prospect of detection.
Home and colleagues (2005) also found that once-daily insulin glargine produces a level of glycemic control comparable to that provided by once- or twice-daily NPH insulin, without an increased risk of hypoglycemia.
