Roof exposure, substrate depth, and distance to nearest green space are the main limitations to colonisation of EGRs by soil fauna, which are limited to xero- and thermophilic pioneer species (Schrader and Boening, 2006).
There are three main limitations to this study: first, its retrospective nature; second, the limited number of patients, which could result in a type II error; and, third, the fact that we analyzed clinically detectable advanced HCCs and not early HCCs in which the angiogenic dynamics might be different.
There are two main limitations to this study: the use of SU in the control group, which limited the ability to separate the protective effect of insulin therapy on β-cell function, from the possible negative effect of SU.
But there are two main limitations to this move to greater genericism.
The main limitations to this algorithm are as follows.
There were four main limitations to this synthesis.
Challenges are supposed to address several of the main limitations to Swarms.
The main limitations to access are bandwidth and the cost of connections, says Freedom House.
There are two main limitations to the tests considered so far.
