31.   The lawsuit follows a series of articles published by The Washington Post in December that detailed the drug study.

32.   Too few drug companies study how their products affect children.

n. + study >>共 884
feasibility 13.28%
government 3.82%
impact 3.10%
laboratory 2.69%
research 2.26%
character 1.79%
health 1.66%
two-year 1.32%
field 1.25%
market 1.25%
drug 1.00%
drug + n. >>共 541
company 5.40%
use 5.37%
trafficker 5.22%
dealer 4.60%
test 3.79%
trade 2.64%
charge 2.46%
abuse 2.39%
addict 2.07%
user 1.82%
study 0.11%
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