Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Original traces showing cardiorespiratory responses to stimulation of the nasal passages with ammonia vapors (bar under trace). MAP is mean arterial pressure. (b) Heart rate, mean arterial blood pressure, and respiratory rate (mean ± SE) before, during, and after nasal stimulation. *Significantly different from both pretrial and posttrial.
