DickG W A, (1971) International Conference on the Application of Vaccines against Viral, Rickettsial and Bacterial Diseases of Man 1970. Scientific Publication226 p 418
2.
HaireMDaneD SDickG W A, (1967) Medical Officer117, 55
3.
HannikC A, (1970) Symposia Series in Immunobiological Standardization13, 16
4.
HopperJ M H, (1961) Medical Officer106, 241
5.
PerkinsF T, (1969) British Medical Journaliv, 429
6.
Public Health Laboratory Service (1969) British Medical Journaliv, 329
7.
StromJ, (1970) In: Symposia Series on Immunological Standardization13, 163