British Contributions To Tropical Health -- As the effect on the liver is of great importance in may tropical diseases, the physiology workers at the Liverpool School of Tropical Medicine are studying this in great detail. Here, Dr. W. H. Andrews (left) and his assistant Mrs. Yvonne Cane are setting up the apparatus which he has designed for experiments on the effect of the anemia caused by malaria in the liver. The chemical effects of the disease are reproduced artificially by feeding various gases into the blood stream (the controls are on the right), and results are recorded by delicate apparatus on the left, which Dr. Andrews is here adjusting. May 1, 1951. (Photo by Central Office Of Information Photograph).