Flank pain associated with burning on urination, suggests renal calculi.侧腹痛伴有排尿灼表明是肾结石.Lower ureteral calculi found a stone - free rate of 93.3 % with one treatment.用这种方式治疗输尿管下部结石其结石排空率为93.3%.Objective To evaluate the tr...
Universities are facing grave problems because of diminishing resources.由于资源的减少，大学正面临严峻的问题。Yet this simple arithmetic ignores an offsetting effect: diminishing marginal returns.然而,这种简单的算法忽略了一种抵消效应: 边际收益递减.The unskilled s...