{{medical}}

[[File:贫血.png|缩略图|[http://photocdn.sohu.com/20150330/mp8611394_1427707428158_2.png 贫血种类及症状][http://www.sohu.com/a/8611394_118620 来自健康营养分享]]]

<ref>[https://www.sohu.com/a/54454751_196509 长期贫血危害大，请别再忽视它 ]新浪微博</ref>

==流行病学==

*极重度：红血蛋白浓度＜30g/L

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