Furthermore, the sample size of negative controls could have been larger than 49, but it could unfortunately not be achieve during the time period and in clinical setting of the study.
Whether or not these outliers were engaged in specific sports activities could unfortunately not be assessed.
EPOR protein could unfortunately not be demonstrated, due to the unavailability of a specific antibody.
You would run too if you could, but unfortunately, you are a plant.
"They'd be happy wearing a coat if they could, but unfortunately in Bermuda it doesn't work".
"We tried as long as we could but unfortunately we have now lost our belief [in him].
Bob Grizzard, a Florida delegate who wore a Clinton '92 T-shirt over his dress shirt and tie, said, "I would vote for Clinton again if I could but, unfortunately, the Constitution says I can't".
I tried everything I could but unfortunately it wasn't enough.
Many artists would use much more music in their work, if they could, but unfortunately the system forbids it, since whatever distracts from the artwork's sacred aura is seen as diminishing its financial potential.
I didn't know what to do at that moment, I tried to separate them but I couldn't and unfortunately one of my students was injured.
