The phrase "important indication of" is correct and usable in written English.
You can use this phrase whenever you want to emphasize that something is one of the most important signs that something is true. For example: "The sudden shift in the stock market is an important indication of a potential recession."
Furthermore, detection of mutant protein defects using simulations is an important indication of the accuracy and importance of MD, so this is a verification of simulation technology.
Another important indication of slowing activity was the third-quarter drop in imports.
That's an important indication of how sound our economy is.
Evidence is scanty, however, and a few inscriptions found on Malta constitute an important indication of a Phoenician presence.
Rod Rosenstein's decision is an important indication of the shifting mood in Washington: his appointment of Robert Mueller was an act of self-protection.
Yet from their first contract in the big leagues, the N.B.A. is grooming players to regard starting as an important indication of their value.
The persistence of such diseases in the world, however, serves as an important indication of the difficulties that health organizations and societies continue to confront.
In a conversation in late May, he told me that the first important indication of Duke's direction would be a decision on whether or not to reinstate the lacrosse program.
Perhaps a more important indication of Maurice's character was the permanent secretary's expressed fear that my department was not big enough to justify a special adviser with the rank of deputy secretary – an eminence that Maurice had enjoyed at Education.
Mr. Montes and other retailers explained that the music industry has become much like Hollywood in recent years in that first-week sales are considered an important indication of long-term success.
One important indication of where ad spending is headed, Mr. Myers said, will be the negotiations between agencies and networks to buy commercial time ahead of the 2002-2003 TV season, which will begin in late spring.
