This is a difficult criterion to meet, however.
In principle, the programmes aimed to train all retailers selling antimalarial drugs, but, in practice, this proved a very difficult criterion to define.
For antibodies in particular and the IHC method in general, the evaluation of specificity has provoked numerous comments in the past with many concluding that antibody specificity is a difficult criterion to fulfil [315].
If so, the batsman is sent on his way.Because umpires need to be confident that an LBW appeal fulfils all of these difficult criteria, they have historically been conservative when it comes to giving batsmen out.
Human rights watchers say determining "genocidal intent" is perhaps the most difficult criteria to meet: In essence, it's the task of assessing the mindsets of perpetrators to determine if ethnicity, race, religion or another attribute had motivated them.
In a system that seeks to be egalitarian, equity is the most difficult criteria to operationalise [ 67].
ETI was performed on a simple manikin head (Cparlene®, Adult Airway Larry manikin, CPR Savers & First Aid Supply, Scottsdale, USA) without any difficult ETI criteria, either with the DLM (blade size no. 3) or with the AWS.
International comparisons of surveillance data are difficult because criteria for effective surveillance customarily varies across borders (32 ).
However, the comparison of data from different studies is difficult because criteria to diagnose food allergies, as well as the definitions of groups, vary substantially between studies.
However, given our difficult inclusion criteria for the runner group and difficulty in finding BMI and age matched sedentary controls, it would still remain difficult to recruit hundreds of subjects.
In the developed world accreditation efforts tend to focus on identifying the best institutions as those are typically the only ones who can meet stringent and difficult evaluative criteria.
