气滞胃痛
配对设计资料的t检验中,用药前数据减去用药后数据,与用药后数据减去用药前数据,两次t检验() ["t值符号相同,结论相反","t值符号相同,结论相同","t值符号相反,结论相反","t值符号相反,结论相同","结论可能相同或相反"]
酸化血清溶血试验() ["自身免疫性溶血性贫血","阵发性睡眠性血红蛋白尿","血红蛋白病","G6PD缺乏性贫血","药物所致贫血"]
碱变性试验() ["自身免疫性溶血性贫血","阵发性睡眠性血红蛋白尿","血红蛋白病","G6PD缺乏性贫血","药物所致贫血"]
下列类风湿关节炎晨僵的特点,错误的是() ["出现于95%的患者","为最早出现的表现","一般持续1小时以上","晨起后最明显","活动后减轻"]
五更泄