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我们在使用自动血液分析仪进行常规检验时发现，少年儿童红细胞平均体积（MCV）普遍低于成人，为此我们进行了调查，并对其原因进行了初步探讨。1对象和方法1．1对象经体检证实营养发育状况良好．无贫血，近期无其它疾病294例，其中1～15岁253例。男154例，女99例；16～18岁41
We routinely test with an automated hematology analyzer. We found that the average MCV in children and adolescents was generally lower than in adults, and we conducted a survey and the reasons for this. 1 objects and methods 1.1 object confirmed by physical examination good nutritional development. No anemia, no other recent 294 cases, of which 253 cases of 1 to 15 years old. There were 154 males and 99 females, aged 16-18 years