That part of a sentence is correct and usable in written English.
It can be used in many contexts when referring to the importance of avoiding duplicated efforts and tasks. For example: "We should strive to avoid unnecessary duplication of efforts in order to maximize efficiency and productivity."
The most appropriate "standards" are actually guidelines, determined to avoid unnecessary duplication of courses.
Share this information with your other health care professionals to avoid unnecessary duplication of X-rays.
In exercising its authority under this paragraph, the Board shall take all reasonable measures to reduce burden and avoid unnecessary duplication of examinations.
The Commission shall cooperate with the Department of Agriculture and any other Department or Federal agency which makes market investigations to avoid unnecessary duplication of information-gathering activities.
If you can fit everything on one page, all the better, so remember what you have included on the biographical data form to avoid unnecessary duplication.
To avoid unnecessary duplication, the results from observer 1 are presented in the main text (Fig. 2C, Tables 2 and 3); the results from observer 2 are in the Supplementary Data unless otherwise indicated.
To avoid unnecessary duplications, here, we only provide a sketch of the proof and omit the details.
Building and strengthening international collaborations, such as the Cochrane Collaboration http://www.cochrane.org, can help to avoid unnecessary duplications of effort involved in producing systematic reviews and help to ensure that up-to-date reviews are more readily available.
These financial institutions should be mindful to leverage resources effectively, ensuring tasks are integrated, and avoiding unnecessary duplication of tasks among the LoD.
The main contribution of this paper is an adaptive/evolutive algorithm that avoids unnecessary duplication of work by efficiently making use of already generated results.
Synchronization of the universal support services in the ICU with the hospital's existing systems maintains unity of purpose and continuity across the enterprise and avoids unnecessary duplication of efforts.
