腰椎间盘突出症的基本病因是( )。
参考答案:腰椎间盘退变
In relation to the formation of a contract explain:
(a) the meaning of an offer; (5 marks)
病理性黄疸于生后
A.12小时内出现B.24小时内出现C.36小时内出现D.48小时内出现E.72小时内出现