
The History of Respiratory Therapy: Discovery and Evolution includes the earliest beginning of the inhalational practice of medicine, vapors, and aromatherapy around 6,000 B.C. Its roots are in Egypt, China, India, and the middle East. From there, it spreads to Europe and the...

The History of Respiratory Therapy: Discovery and Evolution includes the earliest beginning of the inhalational practice of medicine, vapors, and aromatherapy around 6,000 B.C. Its roots are in Egypt, China, India, and the middle East. From there, it spreads to Europe and the...