There are four major problems with this deal.
But there are four major problems with growth hormone as an elixir of life.
The four major problems that need to be overcome are design problems, improving accuracy, set-up problems and usage, and calibration and traceability.
"Unfortunately, the proposal before the Parliament contains four major problems that undermine network neutrality and threaten to undermine the EU technology industry...These problems jeopardize the future of the startup innovation and economic growth in the EU.
In foreign policy Władysław had four major problems to be solved: restoring Lithuania's and Poland's position vis-à-vis the Teutonic Order; halting aggression by the Tatars; regaining Ruthenia, occupied by Hungary; and expanding Poland's influence in the southeast against its Hungarian rival.
The novel image processing techniques used in the tracking system successfully address the four major problems associated with tracking cells in vivo: background movement, severe image noise and clutter, cell deformation and contrast change, and occlusion of the target cell by other structures.
