用于治疗外周血管痉挛或血栓闭塞性疾病的药物是
A．多巴酚丁胺
B．多巴胺
C．酚妥拉明
D．异丙肾上腺素
E．山莨菪碱
参考答案：C
In relation to the law of negligence, explain:
(a) the two-stage test to determine when a duty of care arises; (5 marks)
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