D. M. Aviado
Nicasio Sepúlveda
Medical Research Council (Great Britain). Committee on Analgesia in Midwifery.
Richard Gordon
Norbert P Page
Thomas Duane Byl
Richard A. Snyder
Richard Gill
Roger Atkinson
Graham, D. D.
Ivan W. F Davidson
United States. Agency for Toxic Substances and Disease Registry
United States. Agency for Toxic Substances and Disease Registry. Division of Toxicology
Seihin Hyōka Gijutsu Kiban Kikō
Research Triangle Institute
Unknown Author
D. D Graham