1. Early Ambulation in Surgical Management;Leithauser,1946
2. Surgical Treatment of Hernia;Shouldice,1944
3. Early Ambulation in Surgical Management;Carlson,1946
4. Production of negative pressure in the respiratory tract by ciliary action and its relation to postoperative atelectasis;Hilding;Anesthesiology,1944
5. Postural changes in lung volume;McMichael;Clin. Sc.,1939