The patient may withdraw and never speak about it again but be left with lots of unanswered questions.

病人会退缩，不再愿意说起这件事情，但留下许多得不到解答的问题。

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However, GI bleeding could be reoccured in in-dividual patient in sudden withdraw the drug when high doses were used.

但大剂量用药而突然停药时，个别病人可能会再出现出血的“反跳”现象。

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But Kenneth W Goodman, an ethics professor at the University of Miami, says religious conservatives are pushing laws that would make it difficult to withdraw care even when a patient's wishes are clear.

BBC: A younger Terri Schiavo

In a guide leaflet to staff about violence, the ambulance trust said that whilst it was "committed to providing high quality patient care", it may "withdraw its services to individuals where staff may be put at risk".

BBC: NEWS | UK | England | Cornwall | Ambulance assaults 'much higher'