The phrase "a further instrument" is correct and usable in written English.
It can be used when referring to an additional tool, method, or means to achieve something, often in legal, financial, or formal contexts.
Example: "The committee decided to draft a further instrument to address the concerns raised during the meeting."
Alternatives: "an additional tool" or "a supplementary means".
The instruments of HRQOL in pediatric asthma have been well developed for a few years [ 7], yet further instrument development was recently emphasized to broaden the age range for both child self-report and parent proxy-report [ 8].
Finally, a further mathematical instrument is incorporated in the model equations, which allows a unified treatment to be applied to each of the cohorts, existing workers and new recruits, across all possible service lifetimes of a nuclear safety system.
A further supplementary instrument is to develop public transport in synergy with electric mobility by allowing interfaces with car-sharing services and vehicle rentals as well as by installing necessary (recharging) infrastructure and common tariff schemes of public transport in combination with individual, electric transport means.
were also included in a further, short instrument for completion by a peer.
The ID training school is a further central instrument to pursue these aims.
Finally, further instrument development is needed as there is currently a lack of measures suitable for the day centre context.
Further instrument improvements are underway to fill this gap and also to reduce its stiffness, thus increasing its significance as a prototype of the space experiment.
Contact with two occupational therapists involved in EBP research revealed one further instrument [ 5].
In these studies, no further instrument assessing behavioral or emotional problems as perceived by the patients were used.
A further factor, "instruments produced by the students", which was originally included in the "materials and instruments" section, was thus found to be described by four variables and added, although it had an eigenvalue that was slightly <1.
