THERE has long been a need for a simple objective criterion to indicate when use of a respirator should be started during the acute illness of poliomyelitis and to guide the weaning of patients with ...

ALTHOUGH various observers had made attempts to measure the respiratory capacity of the human body, the real pioneer work in spirometry was done about eighty years ago by John Hutchinson. Hutchinson ...

In the reports on vital capacity in the literature, instructions to the patients were not described in detail. In our experience variations in the results of serial determinations were traced in many ...