315-1975 R1993) IEEE Graphic Symbols for Electrical and Electronic Diagrams Including Reference Designation Letters) Bound with its Supplement 315-1986 R1993

No folly in folic acid. Folic acid should be taken regularly by all pregnant mums and people with a low immunity to disease. Folic acid prevents spina bifida in unborn babies and can play a role in cancer prevention. It is found in green leafy vegetables, liver, fruit and bran.