The phrase "are notably only" is not correct and may lead to confusion in written English.
It can be used when emphasizing that something is exclusively or specifically notable in a certain context, but the construction is awkward.
Example: "The results of the study are notably only relevant to the specific demographic surveyed."
Alternatives: "are particularly only" or "are significantly just".
Enter the now famous blog post (that was notably, only on the English-language site) saying that Google was no longer playing by the Chinese government's rules and was prepared to close down Chinese operations if it came to that.
Swift accepted her award gracefully, though she was notably the only one of the seven recipients to not perform at the event.
He is notably the only person that Arcimboldi, a long-time soldier on the Eastern Front, kills during the entire Second World War.
He was, notably, the only leading party member to understand – and publicly state – that Lionel Jospin's catastrophic 2002 presidential campaign, in which the former prime minister was famously knocked out by the far-right leader Jean-Marie Le Pen, was failing utterly to connect with voters.
Tumor growth was notably inhibited only in the PE dogs, in which the vaccination program triggered tumor regression significantly sooner than in control dogs (NT).
Furthermore, these best performances, which were supported by statistical tests, were notably obtained only when particular subsets of the L ranked features were employed.
The cast is notably international: only three of the credited actors were born in the United States.
As part of the Redistribution Act of 1885 the Rhondda was granted its first seat in Parliament which was won by the moderate trade union leader William Abraham, who was notably the only working-class member elected in Wales.
Of the 17 ovarian cancer cell lines, expression was notably different only in DOV-13, which showed about three-fold greater expression than the HOSE cell lines.
Although they were not found in all human isolates, they were notably found only in human-invasive isolates, suggesting that they may indeed play a useful if not essential role in invasive disease.
