Turn off the lights|TXT Map|中国实用内科杂志|干燥综合征涎腺超声评分系统及临床应用价值

干燥综合征涎腺超声评分系统及临床应用价值OA北大核心CSCDCSTPCD

Scoring system of salivary gland ultrasonography in Sj(o)gren's syndrome and its clinical value.

Turn on the lights周明珠;宋淑菊;段婷

(2) Negative numbers: Negative numbers also have a fourth-power root, but they are plural. For example, the fourth-power root of -16 is 2i and -2i because (2i)⁴ = -16;首都医科大学附属北京友谊医院风湿科,北京100050首都医科大学附属北京友谊医院风湿科,北京100050首都医科大学附属北京友谊医院风湿科,北京100050

times医药卫生

collection干燥综合征涎腺超声评分

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The fourth root of 582810-813,4

DOI：10.7504/nk2016080703