Reports

Cancer Therapy: A Possible New Approach

Science  28 Jun 1963:
Vol. 140, Issue 3574, pp. 1391-1392
DOI: 10.1126/science.140.3574.1391

Abstract

Two substances, one promoting growth (promine) of ascites tumors in mice and the other inhibiting it (retine) have both been found in several tissues, namely, thymus, aorta, muscle, and tendon. In spite of similar solubilities in the solvents used for their extraction, the substances could be roughly separated. The value of the ratio between these substances in the same tissue may be significant.

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