"of doubtful value" is correct and usable in written English.
You can use it when expressing uncertainty about something's usefulness or worth. For example, "The stock market's recent performance has been of doubtful value."
Western analysis has shown that it has diuretic and other properties but is of doubtful value.
Finally, the deterrent concern refers to those types of transaction that are discouraged because they are felt to be of doubtful value to society.
("Can you drag it out by its tail?") You can also buy more scripts for $1 each — although, given the previews I heard, they seemed of doubtful value.
This included taking much of the company's debt off its books in return for assets of doubtful value, and giving Harken a share in their partnership almost twice as large as its contribution to the partnership's capital.
So far, the sheer aggravation of having to download apps, set up memorable phrases and remember passwords has made the schemes of doubtful value to many.
It is shown that the ordered pseudo turbulence deviates so much from isotropic conditions that the usual interpretation in terms of the turbulence parameters of scale intensity is of doubtful value in this region.
The conflicting results from previous studies [ 14, 22, 23] emphasize the doubtful value of these parameters as indicators of the SARA syndrome a under field conditions.
It is important to distinguish between the doubtful value of RTA in our synthesis (particularly because of the size and diversity of the literature), and the doubtful use of RTA in general.
Their report found the project "is of doubtful economic value in terms of the benefits achieved by the project relative to the costs".
He has discovered that the fat on starving bodies turns to a "translucent gelatinous substance" and that the meat such a body could yield would be of doubtful nutritional value without fat to accompany it.
Stretch it too far, by making promises that can't or won't be kept or by bringing in countries of doubtful military value, and the alliance will unravel.In this section Europe isn't working Business (cycle) as usual Screening for cancer Whatever happened?
