Prevalence of vitamin B12 deficiency and its associated factors among patients with type 2 diabetes mellitus on metformin from a district in Malaysia / 
Gayathri Devi Krishnan [and two others] 
<br/><br/>In: J ASEAN Fed Endocr Soc. 2020; 35(2) pages: 163–168. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vitamin B 12 Deficiency<br/>Metformin<br/>Diabetes Mellitus, Type 2