1.
Investigation of vitamin B12 deficiency in elderly inpatients in department of neurology
神经科住院老年患者维生素B_(12)缺乏的调查
2.
The Study on the Relationship among the MTHFR Gene Mutation and the Deficiency of Folic Acid , VitaminB_(12) and the Occurrence of Cerebral Infarction in Young Adult;
MTHFR基因突变及叶酸维生素B_（12）缺乏与中青年脑梗死发病关系的研究
3.
Effects of folic acid,vitamin B_6 and vitamin B_(12) on ischemic penumbra in cerebral ischemia rats
叶酸联合维生素B_6/B_(12)对脑缺血半暗带区影响
4.
Protective Effects of Folic Acid, Vitamin B_6 and Vitamin B_(12) on Rats with Cerebral Ischemia;
叶酸、维生素B_6、B_（12）对脑缺血大鼠保护作用的研究
5.
The Effects of Methyl-vitaminB_(12) on Leaning and Memory Following Repeated Forebrain Ischemia-reperfusion in Rats;
甲基维生素B_（12）对反复前脑缺血再灌注大鼠学习、记忆功能的影响
6.
The Study of White Matter Damages in Rat After Frontal Cerebral Ischemia and Reperfusion Treated with Methylcobalamine;
甲基维生素B_（12）治疗大鼠反复前脑缺血再灌注后白质损伤的研究
7.
A Study on Treatment of Vitamin B_(12)-production Wastewater
维生素B_(12)生产废水处理技术研究
8.
Determination and Extraction of Vitamin B_(12) in Industrial Fermentation;
发酵生产维生素B_（12）的检测与提取研究
9.
deficiency disease
维生素(等)缺乏病
10.
The Relationship between Recurrent Cerebral Infarction and Serum Folic Acid as Well as Serum Vitamin B_(12);
脑梗死复发与血清叶酸、维生素B_（12）浓度的关系
11.
Study on United Production of Propionic Acid and Vitamins B_(12) by Removal of Propionic Acid from Fermentation Broth;
维生素B_（12）-丙酸联产发酵中的丙酸在线分离
12.
Electrochemical Behavior of Vitamin B_(12) on Glasscarbon Electrode;
维生素B_(12)在玻碳电极上的电化学行为研究
13.
Determination of of vitamin B_(12) in infant formula powder by high performance liquid chromatography
高效液相检测婴儿配方乳粉中的维生素B_(12)
14.
The determination of vitamin B_(12) in fermentation broth by high performance liquid chromatography
HPLC法有效测定发酵液中维生素B_(12)的含量
15.
Improvement of Assay Method for Vitamin B_(12) in Water-soluble Vitamins for Injection
注射用水溶性维生素中维生素B_(12)含量测定方法改进
16.
Getamycin Sulfate and Procaine Hydrochloride and Vitamin B_(12) Granules for radioactive esophagitis
庆大霉素普鲁卡因维生素B_(12)治疗放射性食管炎的疗效观察
17.
Screening of Lactobacillus for Vitamin B_(12)-producing and Studies on Biological Characteristics;
产维生素B_（12）乳酸菌的筛选及生物学特性的研究
18.
The Cloning and Analysis of the Biosynthetic Gene of Vitamin B_(12) from Propionibacterium Freudenreichii;
费氏丙酸杆菌维生素B_（12）生物合成基因的克隆和解析