Van Den Brenk, H. A., Stone, M. G., Kelly, H., & Sharpington, C. (1976). Lowering of innate resistance of the lungs to the growth of blood-borne cancer cells in states of topical and systemic stress. Nature Publishing Group.

Van Den Brenk, H. A., M. G. Stone, H. Kelly, ja C. Sharpington. Lowering of Innate Resistance of the Lungs to the Growth of Blood-borne Cancer Cells in States of Topical and Systemic Stress. Nature Publishing Group, 1976.

Van Den Brenk, H. A., M. G. Stone, H. Kelly, ja C. Sharpington. Lowering of Innate Resistance of the Lungs to the Growth of Blood-borne Cancer Cells in States of Topical and Systemic Stress. Nature Publishing Group, 1976.