Asma S, Erdoğan F, Ünsal A, Boğa C, Özdoğu H, Gereklioğlu Ç, Kozanoğlu İ, Maytalman E, . Detection of vitamin B12 levels with the aid of some hematological and biochemical parameters that are more sensitive. Marmara Pharm. J 2010; 14(3): 125-129. http://dx.doi.org/10.12991/201014447