31.   Some doctors have warned of what they called abnormal mortality rates from unintended effects of the drug.

a. + effect >>共 805
long-term 3.00%
negative 2.93%
immediate 2.88%
adverse 2.65%
positive 2.46%
same 2.34%
ill 2.11%
overall 1.57%
opposite 1.49%
possible 1.49%
unintended 0.24%
unintended + n. >>共 105
consequence 49.03%
effect 6.67%
pregnancy 5.38%
result 3.87%
victim 2.80%
casualty 1.94%
way 1.29%
target 1.08%
irony 0.86%
benefit 0.86%
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