Gaseous Exchange with Unpracticed Subjects and Two Respiration Apparatus Employing Three Breathing Appliances

M. F. Hendry, T. M. Carpenter, L. E. Emmes
1919 Boston Medical and Surgical Journal  
doi:10.1056/nejm191909041811001 fatcat:uv4fpjzeqrbz7azaynzdne7r3m