Full text: Available Index: LILACS (Americas) Main subject: Respiratory Insufficiency / Respiratory Muscles / Muscle Fatigue Limits: Female / Humans / Male Language: Portuguese Journal: Pulmäo RJ Journal subject: Pulmonary Disease (Specialty) Year: 1991 Type: Article Affiliation country: Brazil Institution/Affiliation country: Faculdade de Medicina de Teresópolis/BR / Universidade Estadual do Rio de Janeiro/BR