Although no correlation between PCNA and local control or overall survival rate is found, further study is still needed because of the limited cases alloted.
虽然pcna表达与食管癌放射治疗后局部控制率和总体生存率无显著相关，但由于病例数较少，须扩大样本量进一步研究。
The paper makes an observation and statistical study of 28 cases in drinking group and 22 cases in control group with peripheric blood of lymphatic sister chromatid exchanges (SCE).
本文对饮酒组28例、对照组22例的外周血淋巴细胞姐妹染色单体互换、核仁形成区和随体联合进行了观察、统计。
The true number of teen abusers who have bad side effects is likely much higher, because many cases don't result in calls to poison control centers, said study author Dr. Randall Bond.
调查研究的作者蓝道庞德医师表示，滥用此类药物且出现不良副作用的青少年人数，实际上可能要高很多，因为很多个案并没有致电中毒控制中心。
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