familial neutropenia caused by deficiency of aplasma factor

例句：

1. 1.The patient's condition was caused by a deficiency of aplasma factor.
   患者的病情是由一种缺乏因子引起的。
2. 2. The study found that the lack of aplasma factor could lead to familial neutropenia.
   研究发现，缺乏因子可能会导致家族性中性粒细胞减少症。
3. 3. The researcher believes that aplasma factor is essential for maintaining good health.
   研究者认为，缺乏因子是保持健康所必需的。