One potential limitation is the use of modeled predictions of ambient air concentrations of HAPs (i.e., the ASPEN model), which may have resulted in exposure misclassification.
And you need an economic model which may be subscription, may be advertising or may be some third way that sort of funds everybody.
You must formally introduce ("pair") your laptop to your cellphone model, which may take only a minute — or may require searching Google for hacks and tutorials.
But this model, which may or may not have worked as advertised in Trump's businesses, has proved a disaster in the Presidency.
Russia would do well to borrow from East Asia's superior model, which may be one reason that Moscow is reconnecting with Beijing and distancing itself from Washington.
This model, which may be more attractive than tracking because it gives people more choice in revealing their locations, is gathering speed in the Internet industry.
We included self-rated pain intensity in our model, which may introduce reverse causality.
And we are anxiously awaiting Twitter's new advertising model which may or may not be revealed in the near future.
From Table 1, we observe that some parameters have large variations in our model, which may affect the outcomes greatly.
New perspectives are found, and this informs an additional model, which may add guidance to standardization work.
Only recently have BioMed Central and some other publishers suggested a business model which may address this problem.
