And in China there exists a controversial women-only car park and, among certain members of the Chinese Muslim minority, "women only" mosques where prayers are led by female imams.
However, there exists a controversial discussion in which TET proteins are involved in the demethylation process in HCC.
However, the magnitude of these associations, as well as the question of whether a cause-and-effect relationship exists, remains controversial.
Whether metastasis-specific genetic alterations exist remains controversial.
We propose that a unisexual-like cytochrome b numt (or pseudogene) exists in the controversial A. barbouri individuals from Kentucky, which was likely the cause of an erroneous phylogeny and time estimate in Robertson et al.'s study.
But the exact nature of the Hawthorne effect, and even whether it exists at all, is controversial.
For a long time, a controversial issue exists concerning whether Al11RE3 phase in heat-resistant Mg Al RE based alloys decomposes into Al2RE and Al when treated at high temperatures.
Older possible evidence exists [5], but remains controversial [4], [6].
Whether systemic capillary leak can be monitored or whether it exists at all remains controversial [ 1].
However, controversial data exists on their role in the tumor microenvironment, DC activation, or tolerance induction.
