"clear regression" is correct and usable in written English.
You can use this phrase to describe a situation in which a decrease in a certain quantity is easily observable and measurable. For example, "The data shows a clear regression in profits over the last year."
It is United's clear regression that has taken their manager to the precipice but he was at least spared the ignominy of a Cup upset against League One opposition.
It's unfair to say that Rudy Gay, despite signs of clear regression, is a player that you flat-out don't want on your roster, just look at the success of Monta Ellis.
I just don't get it... First, let's discuss Winston's clear regression from his Heisman-winning freshman season.
One week post treatment plus disease showed clear regression in the left eye.
Despite a clear regression of PEDs under aflibercept treatment, no new tear of the RPE occurred in our study.
One week past treatment the neovascularisations showed clear regression and plus disease was absent in both eyes.
We have made clear that regression of preference clusters on biological-clinical or socio-demographic variables is inappropriate, because we are in a policy/decision making practice context, not a hypothesis-testing or scientific research-driven one.
Surprisingly, immunohistochemical assessment of 4EBP1 phosphorylation in the VP of mice aged 7-weeks showed no decline in p4EBP1 levels in MPAKT mice following 2 weeks of RAD001 treatment (Fig. 8), despite clear histologic regression of mPIN lesions (Figs. 6, 8).
In contrast, combination treatment resulted in clear tumour regression and a number of cures.
In contrast, when given in combination, there was clear tumour regression with a number of cures (30 40% of animals in three independent experiments).
Moreover, in the breast cancer BSY-1 xenograft, a clear tumour regression with no sign of recurrence for 36 days was noted (Iwata et al, 2004; Mizui et al, 2004; Kotake et al, 2007).
