peptic ulcer/amn

1.   Everyone has heard of stressed executives who suffer peptic ulcers and ulcerative colitis.

a. + ulcer >>共 101 个
duodenal 26.57%
peptic 19.74%
bleeding 13.28%
chronic 3.51%
recurring 2.77%
recurrent 2.40%
active 1.66%
perforated 1.48%
painful 1.29%
serious 0.92%
peptic + n. >>共 9 个
ulcer 73.79%
activity 11.72%
ulceration 6.90%
stricture 3.45%
lesion 1.38%
cell 0.69%
damage 0.69%
disease 0.69%
tryptic 0.69%
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