71.   Researchers say the new treatment still has a long way to go in development and testing.

n. + have >>共 1318
company 3.47%
government 1.92%
team 1.89%
people 1.78%
country 1.14%
state 0.96%
official 0.95%
man 0.88%
player 0.88%
woman 0.87%
treatment 0.04%
treatment + v. >>共 341
be 37.43%
work 4.39%
have 2.71%
include 2.64%
involve 1.83%
help 1.80%
begin 1.72%
make 1.57%
fail 1.53%
require 1.15%
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