[Number of animals used in experiments in 1990--results of a survey--JALAS Working Group for Laboratory Animal Data Bank, Tokyo and Life Science Research Information Section, The Institute of Physical and Chemical Research, Saitama].

A survey on the number of animals used in experiments including bioassay, diagnosis, education and preparation of biological agents such as vaccine between April 1990 and March 1991 was conducted. Out of 849 universities, institutes, testing laboratories and companies, 607 replies were received. The distribution of the number of animals is shown in the following tables. [tables; see text]