Furthermore, the endpoint nephrotoxicity is less appropriate, since in the chronic rat study (NTP 1989) kidney damage was not a prominent factor and is unlikely to be the causal factor for the observed carcinogenicity in the rat.
Thus, although dollar stores are more prominent in states like Arkansas, with high rates of obesity, they could be a symptomatic as opposed to a causal factor.
A prime causal factor: institutional sexism.
It must not appear as a causal factor in the multiplying wrongs that beset us.
"Nursing Shortage Is Raising Worries on Patients' Care" (front page, April 8) doesn't mention a key causal factor in this crisis.
It does not mean that racism is the primary causal factor in the under-representation of ethnic minorities.
While boredom may be a general ally of substance abuse, alone it is an insufficient causal factor.
The trouble for the Fuller analogy is that science simply does not allow God as a causal factor.
Symptoms alone are often unreliable in identifying the causal factor.
In what is the first large randomised controlled trial dedicated to severe paranoia, we focused on one contributory causal factor: worry.
