Abstract
The Complement fixation test in tuberculosis seems, judging from its fundaments principles to have been perfectly accomplished and as a rule easily appropriated tc the satisfaction of clinical uses. Nevertheless it was not so in reality, at least no until very recentry. Since the discovery of the “Complement fixation test” by Bordet and Gengon in the year 1902, twenty years and more have already elapsed and this work of Bordet and Gengon has proved to be of the greatest importance and practical value and provided many modern serological clinical tests. In the course of those years, much has been attempted by numerous earnest scholars am met with good success. But in the cases of tuberculosis the test of Complemen
