The BMJ on Twitter: "Vitamin B12 deficiency may present with non-specific symptoms, but it warrants urgent evaluation and treatment when haematological or neurological features are present https://t.co/VL70Dde9Id https://t.co/t4Qnj9Wjf6" / Twitter
What Are the Effects of Vitamin B12 Deficiency? - The New York Times
9 Signs and Symptoms of Vitamin B12 Deficiency
Vitamin B12 Deficiency: Recognition and Management
9 Signs and Symptoms of Vitamin B12 Deficiency
Vitamin B12 deficiency can be sneaky and harmful - Harvard Health