The phrase "a primary problem of" is correct and usable in written English.
It can be used when discussing a main issue or challenge related to a specific topic or subject matter.
Example: "One primary problem of climate change is the increase in extreme weather events."
Alternatives: "a key issue of" or "a main concern of".
Based on a prospective study of 319 healthy, motivated, primiparous women with healthy, term infants who received intensive intervention with a lactation consultant, it was estimated that 4 percent of the cases of insufficient milk supply were attributable to a primary problem of the breast due to the lack of sufficient glandular tissue available for milk production [29], [30].
93 The indication for lubiprostone in patients with a primary problem of PFD is not established.
For example, many of the control patients were admitted postoperatively, while the septic cases were predominantly medical patients admitted with a primary problem of infection and organ dysfunction.
The picture that emerges here is of a primary problem with the attentional control of synaptic gain at intermediate (domain-specific) levels of sensorimotor hierarchies.
Examination of aged mice (up to 29 months old) revealed marked denervation of NMJs of hind limb muscles without any change in number or size of motorneuron cell bodies in the lumbar spinal cord, suggesting a primary problem at the level of the muscles per se [ 16].
A primary problem with the determination of death is the inability to establish precisely when it transitions from a reversible process to an irreversible event.
A primary problem noted was the treatment of the edge between the built and natural environment.
Ventilator associated pneumonia constitute a primary problem in the actual management of patients in intensive care units, associated with important morbidity and attributable mortality[ 15, 16] multiple risk factors had been associated with its presence[ 16].
If the Saxbe fix is a solution for the primary problem of self-dealing, a relevant fact is that Congress has not voted to increase any Cabinet salary or benefits since the 1990s, when it granted that power to the president in the form of an across-the-board cost of living adjustment by executive order.
Everyone appears to agree that the primary problem of engagement is a management one, not a worker one.
However, among other questions it has the primary problem of identifying a physically significant model representing the system under examination.
