COMPLEMENT-FIXATION TEST IN CANCER 533 



practical value. More recently von Dungern 1 has advocated a method 

 that yielded 90 per cent, of positive reactions in known cases of cancer. 

 Positive reactions have also occurred in tuberculosis and syphilis, and 

 the reports of various other investigators are somewhat contradictory. 

 Whitman, in a study of 30 cases, found the method highly satisfactory. 

 Lucke 2 has found the test of no value at all. 



1 Munch, med. Wochenschr., 1912, 59, 65, 1098, 2854. 



2 Personal communication. 



