The phrase "possible difference between" is correct and usable in written English.
You can use it when you want to express a potential difference between two things or two points of view. For example, "There may be a possible difference between the beliefs of the two religious groups."
Also, a possible difference between the biased and the unbiased fit method is investigated.
To elucidate the possible difference between genders, all the comparisons were conducted in males and females separately.
To investigate a possible difference between true ovarian volume and ovarian volume estimated with two-dimensional (2D) transvaginal ultrasound.
When boxplots suggested a possible difference between strata, independent samples t tests were used to evaluate this.
Therefore, the present study was designed to examine the possible difference between the discriminative stimulus effects of TRK-820 and U-50,488H in rats.
In particular, the key issue is the possible difference between the irradiation temperature of the surveillance specimens and the actual RPV wall temperature.
42 (1994) 2536 2544] for the solution of optimization problems, we observe the possible difference between the solution of the optimization problem and the computed space-mapping solution.
"You can look at the goals they scored and talk about the possible difference between the Premier League and Championship when it comes to taking chances.
Several articles have discussed the presence of autonomic symptoms in TN and a possible difference between their presentation in TN and SUNCT [3,4].
Nonetheless, investigating a possible difference between later and earlier VAS scores of ammonia, we could not find a significant difference within the ASA condition.
Next, we tested a possible difference between this activity, and the corresponding activity in saturating intensities of blue light (for further experimental detail: see Materials and methods).
