A Non-Return-Valve, Designed to Ventilate Polio Patients with Respiratory Paralysis by Manual Positive Pressure Ventilation
CHRISTEN RATTENBORGVolume:
147
Year:
1954
Language:
english
Pages:
5
DOI:
10.1111/j.0954-6820.1954.tb11402.x
File:
PDF, 370 KB
english, 1954