Medical research has not determined an exact correlation between oral, rectal, ear (tympanic), and armpit (axillary) temperature measurements.

The exact correlation between MRI findings and the current or future clinical status of patients, including disability progression, is unknown.

By the Napoleonic Wars there was no exact correlation between formal gun rating and the actual number of cannons any individual vessel might carry.

It's an exact correlation, you can chart it and see.

The exact correlations between these local stages and the ICS stages is still a matter of detail.

The precise limits between Arctium and Cousinia are hard to define; there is an exact correlation between their molecular phylogeny.

There is no exact correlation between coordinates and some fixed position in space.

It is very difficult to provide a more exact correlation within the Tariff since items might be controlled for many different reasons.

Further examinations are required, however, to know the exact correlation between them.

The researchers suggest that the nature of this relationship needs to be further studied to determine the exact correlation this task has to bi-manual motor movements.