PREFACE 
This is the eleventh in a series constituting a "public record" of activities in regard to the 
National Institutes of Health (NIH) Guidelines for recombinant DNA research. 
The first ten volumes cover events from February 1 975 through December 1 985. This 
eleventh volume covers events from January 1 986 through April 1 987. 
Volumes 1 through 5 in this series and the Environmental Impact Statement may be 
purchased from the Superintendent of Documents, U.S. Government Printing Office 
(GPO), Washington, DC 20402 or GPO bookstores in selected cities throughout the 
United States. They may also be viewed in some 600 public libraries of the GPO 
depository system. The GPO stock numbers are: Volume 1, 017-004-00398-6; Volume 
2, 017-040-00422-2; Volume 2 Supplement (Environmental Impact Statement), 017-040- 
00413-3; Volume 3, 017-040-00429-0; Volume 3 Appendices, 017-040-0043-3; Volume 4, 
01 7-040-00443-5; Volume 4 Appendices 01 7-040-00422-7; and Volume 5, 01 7-040-00470- 
2. Volumes 6 through 1 1 are available from the Office of Recombinant DNA Activities, 
Building 31, Room 4B11, National Institutes of Health, Bethesda, MD 20892 USA. 
Recombinant DNA Research, Volume 1 1 
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