(Nelson, Lin) Department of Anesthesia, The Bowman Gray School of Medicine of Wake Forest University.
(Zapata-Sudo, Sudo) Department of Basic and Clinical Pharmacology, Universidade Federal do Rio de Janeiro.
Received from the Department of Anesthesia, The Bowman Gray School of Medicine of Wake Forest University, Winston-Salem, North Carolina, and the Department of Basic and Clinical Pharmacology, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. Submitted for publication May 23, 1994. Accepted for publication November 13, 1995. Supported by National Institutes of Health grant GM23875/CAPES/MED, Brazil.
Address reprint requests to Dr. Nelson: Department of Anesthesia, The Bowman Gray School of Medicine of Wake Forest University, 300 South Hawthorne Road, Winston-Salem, North Carolina 27103.