There exists controversy currently regarding the use of a single or two separate devices for the fixation of this combination of fractures.
However, there exists controversy with other treatments [ 12] which have shown the ability for improving physical performance.
The above analysis reveals that at present, there still exist controversies and inconsistencies on the influence factors on thermal conductivity of TiO2 nanofluids.
There still exist controversies regarding this terminology [ 25].
Although in past years extensive experimental and numerical investigations have been carried out in order to gain better understanding of the phenomenon of spalling of concrete exposed to elevated temperatures, there still exists controversy as to the driving mechanisms of spalling.
Although there exist some controversies about whether, why and how the highly connected proteins tend to be essential in biological networks [ 15- 18], most researchers have confirmed the correlation between topological centrality and protein essentiality [ 13, 19- 21].
There also exists controversy over the ethics of therapeutic and research cloning.
Although several measures in infection control are widely accepted, hand hygiene for example, there exist some controversy about others, mostly more complex interventions.
The effect of porosity is already known, however, there exist lots of controversies on the effect of microstructural constituents and their propensity in lowering fatigue crack growth rates.
If we re-consider our case from Section 3, the oxidative phosphorylation controversy, there exists a sociological account (Gilbert and Mulkay 1984) as well as different philosophical accounts that do not even agree in how to explain scientific change (Allchin 1992, 1994, 1996; Weber 2005, Ch. 4 5).
