pellagra造句

1、For the South, pellagra was more than simply a medical problem.
对于南方，糙皮病是不仅仅是一个医学问题。

2、Pellagra is a disease that results from niacin deficiency.
糙皮病是一种由烟酸缺乏引起的疾病。

3、Pellagra is caused by a severe deficiency of biologically available niacin in the diet.
饮食中严重缺乏有利人体的 * 酸就造成糙皮病。