Changing concepts of atherogenesis

Changing concepts in asthma.

Mechanical ventilation: changing concepts

A b st ra ct Mechanical ventilation is routinely delivered to patients admitted in intensive care units to reduce work of breathing, improve oxygenation, or correct respiratory acidosis. Although traditional modes of mechanical ventilation achieve many of these goals, they have important limitations. Alternative modes are supposed to handle some of these limitations and are now available on mod...

Changing concepts in haemochromatosis.

Are Concepts About Constipation and Dietary Fiber Changing?

Changing Concepts of Teacher Leadership

THE early theories of teaching styles operative within the instructional setting, were based on a few classical studies describing the social climate of the classroom. The most frequently quoted research of Anderson (2) and Lippitt-White (18) tended to view teacher leadership in terms of polar roles—dominative and integrative, auth oritarian or democratic teaching styles. The term "climate" was...