1996. 1.24 Dept. of Biology, Waseda University, School of Education, Japan - Hormonal regulation of animal reproductive cycle 1996.10. 2 Division of Reproductive Biology, Stanford University, Medical School, USA - Mechanism of hormonal regulation of gonadal development 1996.12.10 Institute for Molecular and Cellular Regulation, Gunma University, Japan - Hormonal regulation of ovarian and testicular functions 1997. 2.28 School of Life Science, Visva-Bharati University, West-Bengal, India - Hormonal regulation of gonadal development 1997. 6.10 School of Life Science, Zhongshan University, China - Molecular studies on gonadotropin releasing hormone receptors in vertebrate 1997. 9.27 Dept. of Cell Biology, Baylor College of Medicine, Houston, USA - Molecular studies of an orphan nuclear receptor, SHP, and its function 1998. 4. 7 Ludwig Boltzmann Institut fur veterinarmedizinische Endokrinologie Vienna, Austria - Development of non-isotope radioimmunoassay