During secondary peritonitis, intra-abdominally formed fibrin entraps bacteria that are thereby difficult to eliminate by host defence mechanisms.
"It is difficult, very difficult.
In particular, Mr Posner notes that because the effects of carbon emissions are distributed globally, and not just concentrated in a few "victim nations," transaction costs for negotiating them down are very high, and a solution is thereby far more difficult to come by.
The Fed is thereby trying to dodge some very difficult decisions.
It's difficult, so difficult".
Meanwhile, the action of these compounds may introduce complicated cellular responses and thereby it is difficult to study the role of SGs in specific cellular events.
In practise, however, it is sometimes difficult to have good starting values thereby enhancing the complexity of the problem (e.g., Paláncz et al., 2008).
However, it is still difficult to identify the antigen, and thereby the function, of an antibody if no other information is available.
Furthermore, in vivo, active TGF-β is quickly cleared from the circulation (T1/2 = 1.6 ± 0.71 min) [ 13], thereby making it is difficult to measure accurate levels.
