The major failure causes included technical difficulties, vasovagal reactions, the absence of a distinct trigger zone, and no analgesia induced by procaine test.
Cities as different ethnic cultures of the main meeting point, the issue of ethnic relations is the main trigger zone.
The major failure causes included puncture muff, severe vasovagal reactions, the absence of a distinct trigger zone and incomplete analgesia after the procaine test.
The trigger zone is hard to customize with simple lenses.
