Letters to the Editor

Lum L.C. . Hyperventilation: the tip and the iceberg. J Psychosom Res 1975; 19: 375–83

Lum L.C. . The syndrome of chronic habitual hyperventilation. In: Hill O. , ed. Modern trends in psychosomatic medicine–III. London: Butterworths, 1976: 196–230

Kerr W.J. , Dalton J.W. , Gliebe PkA . Some physical phenomena asssociated with the anxiety states and their relation to hyperventilation. Ann Intern Med 1937; 2: 962

Evans D.W. , Lum L.C. . Hyperventilation: an important cause of pseudoangina. Lancet 1977; i: 155–7

Dent R. , Cluff R. , Higenbotham T. . The influence of relaxation and retraining on breathing pattern in patients with the hyperventilation syndrome. Bull Eur Physiopathol Respir 1984; 20: 83–95

Bass C. , Gardner D. . The hyperventilation syndrome. Cardiology in Practice, January 1984; 27–34