This is confounded by a lack of understanding of the possible receptors involved and ongoing doubt over their definitive localization.
In his speech, Juncker will also mount a defence of trade policy, amid ongoing doubts about whether the controversial transatlantic trade deal (TTIP) can ever be agreed, as well as questions over ratifying the EU-Canada trade deal, which was seven years in the making.
However, despite ongoing doubts about his guilt, the judge ruled against him, putting him back on track for execution.
But there are ongoing doubts about the fitness of Bresnan, who has still to recover from the back problems that were diagnosed as a stress fracture after England sealed the Ashes in Durham in August.
Finally this week, a quick look ahead to the fourth round of the Challenge Cup, which contains enough intriguing ties to eclipse ongoing doubts over the format of the grand old knockout competition.
Four of the largest US banks just scraped through the annual Federal Reserve financial checkup, underscoring the central bank's ongoing doubts about Wall Street's resilience more than six years after the financial crisis.
The news that one of Adani's major existing lenders is likely to withdraw support for Abbott Point therefore adds to ongoing doubts about the ability of the company to find financing for the controversial coalmine, and could jeopardise any potential loan it might get from the government's $5bn Northern Australia Infrastructure Facility.
The charges add fuel to ongoing doubts about NYU's ability to reconcile its liberal mission with its financial ties to the United Arab Emirates.
The positions voiced by the Supreme Leader Ayatollah Khamenei, which stopped a hundred hardline MPs from questioning Foreign Minister Javad Zarif, was met with relief among many in the Gulf, and made them more hopeful about moderates in Iran despite ongoing doubts.
They mainly sought reassurance about vaccine safety, but as the vaccine is new and phase 4 trials are ongoing doubts about its long-term safety cannot be fully answered.
On the other hand, some patients experience ongoing doubts and uncertainty whether they have undergone the 'right' treatment or even experience feelings of regret for not having taken some aspects into consideration they value important in retrospect (Lantz et al, 2005; Sheehan et al, 2007).
