RT Journal Article SR Electronic T1 PREVENTION OF TAY-SACHS DISEASE JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 799 OP 799 VO 23 IS 136 A1 P. R. Evans YR 1973 UL http://bjgp.org/content/23/136/799.3.abstract AB