The phrase "are desirable before" is correct and usable in written English.
It can be used when discussing preferences or requirements that should be met prior to a certain event or action.
Example: "Certain qualifications are desirable before applying for this position to ensure a better fit for the role."
Alternatives: "are preferred prior to" or "should be sought before".
However, this observation period is short, and our study shows that longer periods of follow up are desirable before coming to firm conclusions on radical cure can be made.
This large variability suggests that local/hospital estimations are desirable before starting pGDT implementation.
As a target value, IgG trough levels of more than 7 g/L are desirable before the next infusion.
Despite promising short- and midterm results from clinical studies, further basic science and translational studies are desirable before routine use of ACNs in clinical practice.
Further investigations using in vitro assays to elucidate the mechanisms of action of the C. langsdorffii extract are desirable before it is used as a chemopreventive agent in humans.
Ex vivo training of ERCP by using simulators is desirable before trainees perform endoscopy in patients.
Diffusion of the air from the flight speed to a lower supersonic velocity is generally found to be desirable before the air enters the combustor.
However, elucidation of the molecular target is essential to fully appreciate this finding, and is desirable before these compounds are considered as a starting point for drug discovery.
However, more convincing resolution of inter-family relationships is desirable before any formal taxonomic changes are made.
Therefore, further validation of the accuracy of these indicators will be desirable before using them for research or administrative purposes.
Thus, further analytical validation would be desirable before the prospective use of this assay in randomised studies.
