PT - JOURNAL ARTICLE AU - E J Watson-Williams AU - A C Bottomley AU - R G Ainley AU - C I Phillips TI - Absorption of vitamin B12 in tobacco amblyopia. AID - 10.1136/bjo.53.8.549 DP - 1969 Aug 01 TA - British Journal of Ophthalmology PG - 549--552 VI - 53 IP - 8 4099 - http://bjo.bmj.com/content/53/8/549.short 4100 - http://bjo.bmj.com/content/53/8/549.full SO - Br J Ophthalmol1969 Aug 01; 53