1. Lonngren, R (1984). Rules and Regulations World Health, Aug./Sept., p. 28
2. Medicines Act 1968 (CH 67 ). ( London: HMSO )
3. Food and Drugs Act 1955 (4 Eliz. 2 C 16 ). ( London: HMSO )
4. Fertilizer and Feeding Stuffs Act 1976. ( London: HMSO )
5. Radioactive Substances Act 1960 (8 AND 9 Eliz. 2 CH 34)(London: HMSO)