The phrase "at a minimum interval of" is correct and usable in written English.
It can be used when specifying the least amount of time or distance that should occur between events or actions.
Example: "The trains will run at a minimum interval of 15 minutes to ensure timely service."
Alternatives: "at least an interval of" or "no less than an interval of".
An RRS includes a set of predetermined clinical criteria for assessing patients on a general ward, preferentially at a minimum interval of 12 h [2].
The integrated model offers an improvement on previous models of this kind in that a fully-dynamic approach is adopted for the equipment and plant enabling fast changing load events such as switching on/off domestic loads and hot water, to be accurately captured at a minimum interval of 1 min.
As part of an ongoing longitudinal study, we obtained multiple samples from repeat donors, at a minimum interval of one month, to monitor the population genetics of S. aureus over time.
Dose escalation was done at a minimum interval of 3.5 weeks.
Patients who met stable disease criteria at least once after study entry at a minimum interval of 6 weeks were considered to have achieved disease stabilisation.
A total of 144 titanium implants were placed, at a minimum interval of 12 months, in irradiated and non-irradiated residual bone.
Idiopathic epilepsy was defined on the basis of a dog having at least 2 seizures with a minimum interval of 24 h and the dog having a typical epileptic seizure phenomenology [ 25].
Children and infants were allowed to receive routine childhood vaccinations according to local immunization practice during the study period, with a minimum interval of at least 7 d between the administration of routine vaccines and the study vaccine or placebo.
PSA levels were measured before the start of treatment and then every three months, starting from week 10. Biochemical failure was established when at three subsequent time points with a minimum interval of 4 weeks PSA levels increased continuously from the lowest measured PSA.
Patients were included in the follow-up analysis if at least two GPI-AP assessments with a minimum interval of 3 months were available (n = 155 patients).
A minimum interval of 7 days occurred between tests and a minimum interval of 5 days after cessation of hydrocortisone treatment when started.
