- International Conference on AIDS 1988 : Stockholm, Sweden)1
- International Conference on AIDS 1996 : Vancouver, B.C.)1
- International Conference on Coexistence of Neuroactive Substances in Neurons (1982 : National Institutes of Health (U.S.))1
- International Congress for the History of Pharmacy (1988 : Piacenza, Italy)1
- International Congress of Pharmaceutical Sciences of F.I.P. 1991 : Washington, D.C.)1
- International Congress on Diseases of the Chest 1954 : Barcelona, Spain)1
- International School of Crystallography. Course 1990 : Erice, Italy)1
- International School of Neuroscience (1989 : Padua, Italy)1
- International School of the History of Biological Sciences 1990 : Ischia, Italy)1
- International School of the History of Biological Sciences 1992 : Ischia, Italy)1
- International Symposium on Chromaffin Cell Biology 1986 : Coolfont, W. Va.)1
- International Workshop on Neuroimmunomodulation 1984 : Bethesda, Md.)1
- International Workshop on Neuroimmunomodulation 1986 : Dubrovnik, Croatia)1
- Isaac, John.1
- J. A. R.1
- Jornada Sulbrasileira de Cirurgia Plástica 1989 : Porto Alegre, Brazil)1
- Journées d'éthique (1989 : Paris, France, etc.)1
- Journées d'éthique (1990 : Paris, France, etc.)1
- Journées nationales de biologie 1990 : Lyon, France)1
- Journées pharmaceutiques françaises 1985 : Paris, France)1