Fifty normal children served as control group. Results VMA/Cr, HVA/Cr at random urine had good relationship with total VMA, HVA in 24*! h urine ( r = 0.92 and r = 0.91 respectively ).是什么意思_Fifty normal children served as control group. Results VMA/Cr, HVA/Cr at random urine had good relationship with total VMA, HVA in 24*! h urine ( r = 0.92 and r = 0.91 respectively ).在线翻译_英语_读音_用法_例句