TY - JOUR T1 - Absorption of vitamin B12 in tobacco amblyopia. JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 549 LP - 552 DO - 10.1136/bjo.53.8.549 VL - 53 IS - 8 AU - E J Watson-Williams AU - A C Bottomley AU - R G Ainley AU - C I Phillips Y1 - 1969/08/01 UR - http://bjo.bmj.com/content/53/8/549.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -