J. W. Langston
United States. General Accounting Office
He-Feng Huang
Niranjan Bhattacharya
Schneider, Ingrid.
United States. Congress. House. Committee on Commerce.
C. J. Green
Edwards, Robert G.
Canada
United States. Congress. Senate. Committee on Commerce
Unknown Author
Great Britain. Department of Health.
R. P. Lanza
R. G. Edwards
Voronoff, Serge