Aim: To compare the clinical analgesic efficacy of controlled-release morphine tablets and patient-controlled intravenous analgesia in late stage cancer patients.

目的：综合比较吗啡缓释片和病人自控静脉镇痛在晚期癌症病人疼痛治疗中的临床效果。

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But Evans who had depression and a personality disorder found it difficult to cope and considered taking her own life by jumping off her balcony and overdosing on Mr Ballinger's morphine tablets.

BBC: Islington carer guilty of ex-partner's manslaughter

The FDA's warning letters notified the companies they may be subject to legal action if they do not stop manufacturing and distributing "prescription unapproved products" that include high-concentrate morphine sulfate oral solutions and immediate-release tablets containing morphine sulfate, hydromorphone or oxycodone.

CNN: FDA warns makers of unapproved narcotics