The present review is an attempt to classify the major issues concerning the neuroprotective properties of citicoline into three categories: facts, i.e. those that are solved with an acceptable degree of certainty; doubts, i.e. those that are likely misinterpreted; and unresolved issues, i.e. those that remain unexplained.
These contenders are all certainty, no doubt.
As a society, we prefer action to contemplation, risk-taking to heed-taking, certainty to doubt.
Today will be a performance of the past, Its fortunes and flaws, its certainty and doubt.
Still, Dr. Graham said he would be reluctant to use Dr. Hirsch's "certainty beyond doubt," phrase.
The spiritual, with its mingling of certainty and doubt, is the substance of Chinese and Japanese landscape paintings, of which there are some fine examples here.
That we prefer scripture to novels, preaching to storytelling, certainty to doubt, faith to reason, censorship to debate, silence to eloquence, death to life.
"It is our unequivocal opinion, with certainty beyond doubt, that the foreign material in your son's lungs did not get there as the result of inhaling dust at the World Trade Center or elsewhere".
Dr. Gregory J. Davis, a University of Kentucky professor who is chairman of the forensic pathology committee of the Congress of American Pathologists, said that "certainty beyond doubt" was not a phrase he had ever used.
Detective Zadroga's parents revealed the medical examiner's opinion yesterday, several days after he had sent a letter to them stating "with certainty beyond doubt" that their son had not died as a result of inhaling dust during the more than 400 hours he worked at ground zero.
Dr. Charles S. Hirsch, the chief medical examiner, sent a letter on Tuesday to Detective James Zadroga's father, Joseph Zadroga of Little Egg Harbor, N.J., stating "with certainty beyond doubt" that the material found in Detective Zadroga's lungs "did not get there as the result of inhaling dust at the World Trade Center or elsewhere".
