n.意大利癩病；玉蜀黍疹；糙皮病
Chronic liver disease and pellagra patient also can produce folic acid to lack sometimes. 慢性肝病和糙皮病患者有時(shí)亦可發(fā)生葉酸缺乏。
Pellagra is caused by a severe deficiency of biologically available niacin in the diet. 飲食中嚴(yán)重缺乏有利人體的煙堿酸就造成糙皮病。
