a. + gastritis >>共 27
chronic 31.88%
atrophic 15.00%
active 11.88%
antral 10.00%
superficial 5.00%
acute 2.50%
type_b 2.50%
histological 1.88%
lymphocytic 1.88%
positive 1.88%
chronic + n. >>共 602
disease 7.87%
problem 7.43%
pain 5.61%
illness 4.24%
fatigue 4.18%
condition 3.25%
shortage 2.77%
food 1.61%
gastritis 1.52%
health 1.52%
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