Several non-EU states, however, have expressed doubts regarding the environmental effectiveness of the EU-ETS and whether the EU approach conforms to international law.
As for the other approach to the impossibility results (questioning the premises used in their derivation), we have already seen that Huemer (2007, 2011), in connection with the Lewis-BonJour dispute, has expressed doubts regarding the standard way of formalizing independence in terms of conditional probability.
Opinion in the mid-20th century generally favoured a van Eyck; significantly, Erwin Panofsky expressed doubts regarding the attribution.
Though Düwel (2001) has expressed doubts regarding the meaning of such a statement, Nordgren (2004) supports Reichert's reading, viewing the ring as connected to a sacral king in his role of ensuring an abundant harvest (represented by ᛃ jera).
In a March 17 regulatory filing, MGM Mirage said it can't "provide assurance that our business will generate sufficient cash flow from operations or that future borrowings will be available to use under our senior credit facility" and expressed doubt regarding its ability to continue as a going concern.
However, the higher estimates derive from studies where participants had already expressed doubt regarding paternity, biasing the samples (Bellis et al., 2005; Anderson, 2006; Voracek et al., 2008).
Even Englander et al 10 expressed doubt regarding replacement of plasma with parotid secretion in the diagnosis of diabetes mellitus, because of its lower levels of glucose concentration.
The results indicate that there is room for improving patients' encounters on the part of social insurance office staff, in particular by listening to and believing the patients, refraining from expressing doubt regarding their conditions, and not questioning their motivation to return to work.
In fact, her colleague expresses his doubts regarding her ability " to reach the operating table".
In addition, they expressed severe doubts regarding the confidential use of personal data.
Still, the assumption is not wholly uncontroversial; indeed, some have expressed serious doubts regarding whether moral motivation is as regular and reliable as we commonly suppose (Copp 1997, 50).
