“…An index, however, of its importance may be seen in the influence of fever on the course of therapy. At the Marie Curie Hospital in London, among 568 patients with no fever during therapy, 52 per cent were cured (five years), whereas only 14 1946 (1) patients who had a temperature of 101" or more, during or immediately following treatment, were cured (3). Comparable results are found in a recent series in Stockholm (4).…”