McGuire, J., Green, R.S., Courter, S., Hauenstein, V., Braunstein, J.R., Plessinger, V., Iglauer, A., AND Noert-Ker, J.: Bed pan deaths. Tr. Am. Clin. & Climatol. A., 60: 78, 1949.
2.
Bed Rest and Chair Rest in Cardiovascular Disease. The Heart Bulletin, 3: 97, 1954.
3.
Master, A.M. , AND Jaffee, H.L.: Factors in onset of coronary occlusion and coronary insufficiency; effort, occupation, trauma, and emotion . J. A. M. A., 148 : 794, 1952.
4.
Moritz, A.P. : Trauma, stress and coronary thrombosis. J. A. M. A., 156: 1306, 1954.
5.
Sigler, L.H. : Cardiac disability and death caused by strain . J. A. M. A., 154 : 294, 1954.
6.
Hamilton, W.F. , Woodbury, R.A., AND Harper, H.T., JR..: Physiologic relationships between intrathoracic, intraspinal and arterial pressures. J.A.M.A ., 107: 853,1936.
7.
Moore, J.E.: Discussion of bed pan deaths by McGuire, J., et al., Tr. Am. Clin. & Climatol. A., 60 : 78, 1949.
8.
Benton, J.G. , Brown, H., AND Rusk, H.A.: Energy expended by patients on the bedpan and the bedside commode. J. A. M. A., 144: 1443, 1950.
9.
Derbes, V.J. , AND Kerr, A., JR..; Valsalva's maneuver and Weber's experiment . New England J. Med., 253 : 822, 1955.
10.
Hamilton, W.F. , Woodbury, R.A., AND Harper, H.T. JR.,.: Arterial, cerebrospinal and venous pressures in man during cough and strain. Am. J. Physiol ., 141: 42, 1944.
11.
Leidholm, K. : The venous pressure in Valsalva's experimentActa med. scandinav., 106 : 1, 1939 .
12.
Elisberg, E.I. , Goldberg, H., AND Snider, G.L.: Value of intraoral pressure as a measure of intrapleural pressure. J. Appl. Physiol ., 4: 171, 1951.
13.
Thomas, W.C. , AND Harrison, T.R.: Effect of artificial restriction of activity on recovery of rats from experimental myocardial injury. Am. J. M. Sc., 208: 436, 1944.
14.
De La Chapelle, C.E.: The management of the acute episode in coronary occlusion. Bull. New York Acad. Med., 19: 201, 1943.
15.
Gorlin, R., Knowles, J.H., AND Storey, C.F.: The Valsalva maneuver as a test of cardiac functionAm. J. Med., 22: 197, 1957.
16.
Goldberg, H. , Elisberg, E.I., AND Katz, L.N.: The effects of the Valsalva-like maneuver upon the circulation in normal individuals and patients with mitral stenosisCirculation, 5: 38, 1952.
17.
Knowles, H.J. , Gorlin, R., AND Storey, C.F.: Clinical test for pulmonary congestion with use of the Valsalva maneuver. J. A. M. A., 160: 44, 1956.
18.
Stucki, P., Hatcher, J.D., Judson, W.F., AND Wilkins, R.W.: Studies of circulation time during the Valsalva test in normal subjects and in patients with congestive heart failure. Circulation , 11: 900, 1955.
19.
Friedberg, C.K. : Diseases of the Heart, pp. 140. W. B. Saunders Company, Philadelphia , 1949.
20.
Mathes, K.: Zur Physiologies der Buergerschen Pressdruckprobe. Klin. Wchnschr ., 17: 474, 1938.
21.
Buerger, M. : Der Wert des Valsalvaschen Versuches als Kreislaufbelastungsprobe . Verhandl. deutsch. Gesellsch. inn. Med., 37: 282, 1925; Ueber die Bedeutung des Intrapulmonalen Druckes fur den Kollapses bei akuten AnstrengungenKlin. Wchnschr., 5: 777, 1926.
22.
Elisberg, E. , Singian, E., Miller , G., AND Katz, L.N.: The effect of the Valsalva maneuver on the circulation. Circulation, 7: 880, 1953.
23.
Price, H.L. , AND Conner, E.H.: Certain aspects of the hemodynamic response to the Valsalva maneuver. J. Appl. Physiol., 5: 449, 1453.
24.
Wilkins, R.W. , Culbertson, J.W., AND Smithwick , R.H.: The effects of various types of sympathectomy upon vasopressor responses in hypertensive patientsSurg. Gynec. & Obst., 87: 661, 1948.
25.
Greene, D.G. , AND Bunnell, I.L.: The circulatory response to the Valsalva maneuver of patients with mitral stenosis with and without autonomic blockadeCirculation, 8 : 264, 1953.
26.
Lee, G. DE J.., Matthews, M.B. , AND Sharpey-Schafer , E.P.: The effect of the Valsalva maneuver on the systemic and pulmonary arterial pressure in man . Brit. Heart J., 16 : 311, 1954.
