1.   And that has led to situations for which no protocol exists.

2.   Given such limited data, no treatment protocols exist.

3.   He said no written protocol existed for how to conduct the investigation and no uniform standards for how notes were to be dated or maintained.

4.   No emergency protocol existed for chiefs to use in gauging how to respond to an event of this size.

n. + exist >>共 1655
problem 4.39%
evidence 2.06%
possibility 1.59%
opportunity 1.28%
difference 1.17%
life 1.15%
condition 1.10%
technology 1.04%
system 0.84%
group 0.78%
protocol 0.06%
protocol + v. >>共 97
be 20.71%
call 8.09%
dictate 5.50%
require 5.18%
allow 4.21%
provide 3.24%
have 2.59%
include 1.94%
apply 1.62%
make 1.62%
exist 1.29%
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