1. 1. WHO (1979) : Wld Hlth Org. Techn. Rep. Ser., No. 638, 37-115.
2. 2. Ministry of Health and Welfare (1982) : The Minimum Requirements of Biological Products (English version) . 42lp.
3. 3. WHO (1964) : Wld Hlth Org. Techn. Rep. Ser., No. 274, 25-40.
4. 4. Manclark, C. R. (1981) : Bull. WHO, 59, 9-15.
5. 5. González, E. R. (1982b) : J. Amer. Med. Assoc., 248, 22-23.