依据三七的缺素症状绘制出检索表。
According to the symptom the symptomatic list was made in this paper.
衰老古树呈现明显的缺素症状。
与粘膜萎缩相关的症状包括缺铁、某些维生素缺乏和缺铁性吞咽困难。
Conditions associated with mucosal atrophy include iron deficiency, some vitamin deficiencies, and sideropenic dysphagia.
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