11.   The areas include safe motherhood, nutrition, family health care behavior, prevention and control of reproductive tract infection, sexually transmitted diseases and human immunodeficiency virus.

a. + tract >>共 210
large 16.20%
gastrointestinal 11.34%
vast 11.12%
respiratory 8.32%
huge 5.83%
upper 3.89%
intestinal 3.78%
biliary 1.51%
religious 1.51%
housing 1.30%
reproductive 1.19%
reproductive + n. >>共 141
health 11.89%
technology 6.09%
system 5.67%
right 5.67%
success 5.12%
organ 4.15%
problem 4.01%
cycle 4.01%
age 3.46%
service 2.21%
tract 1.52%
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