Subclinical vitamin B12 deficiency in pregnant women attending an antenatal clinic in Nigeria.
Vanderjagt DJ, Ujah IA, Patel A, Kellywood J, Crossey MJ, Allen RH, Stabler SP, Obande OS, Glew RH. Subclinical vitamin B12 deficiency in pregnant women attending an antenatal clinic in Nigeria. J Obstet Gynaecol. 2009 May; 29(4):288-95.