The phrase "attributed to unavailability of" is correct and usable in written English.
It can be used when explaining the reason for a situation or outcome that is linked to a lack of availability of something.
Example: "The delay in the project was attributed to unavailability of key resources."
Alternatives: "due to lack of availability of" or "resulting from unavailability of".
In Sicily, macrolides, cephalosporins, penicillins with β-lactamase inhibitors and even extended spectrum penicillins were extensively prescribed by GPs for URTIs and attributed to unavailability or non-awareness of local or national guidelines [ 15].
Such uncertainty is not only caused by the ineffectiveness of the remediation technique, but could also be attributed to the unavailability of methods for characterizing aquifer heterogeneities and the inability to accurately characterize the saturation distribution of NAPL in the source zone.
The difference in these findings may be attributed to the unavailability of the masks.
The above analysis allows rationalization of the experimental trends: whereas the fluorine inductive effect is responsible for the four-fold increase in H-bond acidity of 1 (compared to 9), any decrease in H-bond acidity is attributed to the unavailability of the OH group owing to an intramolecular F⋅⋅⋅HO interaction.
The discrepancy between healthcare workers' knowledge on the one hand and practice on the other is probably attributed to shortage or unavailability of supplies like fans (ventilators) and respirators (masks).
Ninety-three per cent of patients with RDS died, a factor that may be attributed to the lack of mechanical ventilation and the unavailability of exogenous surfactant.
This situation can be attributed in part to unavailability of specific laboratory tests, equipment, and expertise and also the limited economic resources in many countries of the region.
This was later attributed to insufficient manpower: the unavailability of the 105th Infantry Brigade or the 73rd Independent (Garešnica) Battalion, which were deployed in Pakrac.
This was attributed to the shortage and unavailability of trained staff.
The unavailability of behavioral therapy even at the national referral hospital is attributed to a scarcity of clinical psychologists in the country.
