Understanding the pathogenesis of kidney stones has become increasingly important, as their prevalence continues to rise ...

In contrast to endogenous variables, exogenous variables are considered independent. In other words, one variable within the formula doesn’t dictate or directly correlate to a change in another.

An obvious example, well-known to us all, is of course ISLM. In the simple reduced-form system, M * = kY + l (r), s (Y) = I (r), M is the exogenous variable; the other variables jointly determine Y ...

The exogenous and endogenous H 2 S imaging in living cells and tumor-bearing mice was successfully performed. HCy-SSPy can also detect H 2 S in inflammation in vivo. Taken together, this study ...