The phrase "a frequent problem and" is correct and usable in written English.
It can be used when discussing issues that occur often, typically leading into further explanation or examples.
Example: "A frequent problem and a source of frustration for many users is the software's tendency to crash unexpectedly."
Alternatives: "a common issue and" or "a recurring problem and".
Risk transfer is a frequent problem and contracts management arrangements are often weak.
Medication errors, the researchers noted, are a frequent problem, and poor labeling is considered a possible contributor.
That evening, the electricity was out, a frequent problem, and many villagers had lit candles and were listening to news of the presidential visit on transistor radios.
Our results indicate that excellent response rates can be achieved in behavioural research by utilising general veterinary practices and their clientele, that canine aggression in a household setting is a frequent problem, and that the relationship between neutering and behaviour warrants further investigation.
Moreover, an accidental needle puncture of the bronchoscope is a frequent problem and leads to high repair costs as well as to prolonged downtime periods of the damaged device.
In conclusion, the EuroBCM study demonstrates some interesting issues on volume status in PD patients: fluid overload is a frequent problem, and relying only on clinical parameters for its assessment might be misleading.
The cases without a legally required written report is a more frequent problem and may be due to the lack of knowledge about this legal criterion and a lack of legal control mechanisms to ascertain that a written report is made.
Patent ductus arteriosus (PDA) is a frequent problem in preterm infants, and its incidence is inversely correlated with gestational age.
On the other hand, the presence of missing data is a frequent problem, especially in retrospective and observational studies.
His empire, which includes the lone independent television network in Russia, has been a frequent problem for the Kremlin and a sharp critic of Mr. Putin's policy on the Chechnya war.
Delirium is a frequent problem in the ICU and is associated with a poor prognosis.
