RESPIRATORY MECHANICS IN CHRONIC POLIOMYELITIS WITH SEVERE VENTILATORY INCAPACITY. II. NON-ELASTIC FORCES ACTING DURING MOVEMENT OF THE CHEST-LUNG SYSTEM
MEC'ANICA RESPIRATORIA EN POLIOMIELITIS CR'ONICA CON INCAPACIDAD VENTILATORIA SEVERA. II. FUERZAS NO EL'ASTICAS QUE ACTUAN DURANTE EL MOVIMIENTO EN EL SISTEMA T'ORAX-PULM'ON