Citazione APA

Refsum, H., & Smith, A. (2003). Low vitamin B-12 status in confirmed Alzheimer's disease as revealed by serum holotranscobalamin. BMJ Group.

Stile di citazione Chicago

Refsum, H., e A. Smith. Low Vitamin B-12 Status in Confirmed Alzheimer's Disease As Revealed By Serum Holotranscobalamin. BMJ Group, 2003.

Citazione MLA

Refsum, H., e A. Smith. Low Vitamin B-12 Status in Confirmed Alzheimer's Disease As Revealed By Serum Holotranscobalamin. BMJ Group, 2003.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.