Alveolar morphometrics: effects of positive end-expiratory pressure.
D000818:Animals; D008433:Mathematics; D010784:Photomicrography; D011175:Positive-Pressure Respiration / Q000379:methods*; D011312:Pressure; D011650:Pulmonary Alveoli / Q000502:physiology*; D051381:Rats; D014140:Tracheotomy; D014743:Videotape Recording