title: [Hydraulic valves with constant pressure].
authors.forename: P
authors.initials: P
authors.lastname: ALEGRIA GARZA
mesh_terms: D006801:Humans; D011030:Pneumothorax; D011031:Pneumothorax, Artificial; D011312:Pressure
keywords: PNEUMOTHORAX, ARTIFICIAL
vernacular_title: Válvulas hidráulicas de presión constante.