ArticleIn reply: Vitamin B12 deficiency Author:Alex K. DuongPublish date: January 1, 2016A single vitamin B12 level less than 200 pg/mL has a specificity greater than 95%.Read More
ArticleAn unusual cause of vitamin B12 and iron deficiencyAuthor:Alex K. DuongPublish date: July 1, 2015Testing for ova and parasites was negative, but video capsule endoscopy revealed a tapeworm in the distal duodenum.Read More
