单项选择题
It is suggested by the authors of the paper that their subjects are more prone to get heart disease than other groups.
单项选择题 成年男性正常的血红蛋白参考值为______
多项选择题 医德依靠______等非强制力量维系。
多项选择题 有关护士姿态正确的叙述是______
