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 ...

From cell phones to electric vehicles, every user is concerned about runtime. System designers work diligently to maximize runtime using one of two approaches: design the battery-powered system to ...

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 ...