缺陷血清恢复因子的英文怎么说

缺陷血清恢复因子的英文：
DSRF, deficient serum restoring factor

Deficiency in vitamins/Vitamin deficiency can lead to illness.
身体缺乏维生素就会生病.

His education is deficient.
他缺乏教养。

Scurvy (or vitamin C deficiency)：Nutritional disorder caused by deficiency of vitamin C.
坏血病(亦称维生素C缺乏病):因维生素C缺乏而引起的营养性疾病。

serum cholinesterase activity
血液胆碱脂酶活性

Therapeutic serum levels remain undefined.
治疗血药浓度尚无定论。

When was the last time you took the serum?
你上一次注射血清是什么时候？