1. Dolin R: Common viral infections.In Harrison's Principles of Internal Medicine, JD Wilson, E Braunwald, K Isselbacher, R Petersdorf, J Martin, A Fauci, R Root (eds). New York, McGraw-Hill, 1991
2. Lode H: Viruserkrankungen des Respirationstraktes.In Lehrbuch der inneren Medizin, W Siegenthaler, W Kaufmann, H Hornbostel, H Waller (eds). Stuttgart, Thieme, 1984
3. Yodfat Y, Silvian H: A prospective study of acute respiratory infections among children in a kibbutz. J Infect Dis 136:26?30, 1977
4. Rossen R, Butler W, Waldmann R, Alford R, Hornick R, Togo Y, Kasel J: The proteins in nasal secretion. JAMA 211:1157?1161, 1970
5. McClelland DC, Alexander C, Marks E: The need for power, stress, immune function, and illness among male prisoners. J Abnorm Psychol 91:61?70, 1982