Doctors demanded the withdrawal of the drug from the market after several cases involving dangerous side-effects were reported.

withdrawal 是动词 withdraw 的名词形式，由 withdraw（撤回、收回）加上名词后缀 -al 构成。withdraw 本身由前缀 with-（表示"向后"）和 draw（拉、拖）组成，字面意思是"向后拉"。 在医学和商业语境中，withdrawal 特指"将药物从市场上撤回"的行为，即停止某种药物的销售和使用。