TY - JOUR T1 - THe abderhalden reaction Y1 - 1918/03/09 N1 - 10.1001/jama.1918.02600100030013 JO - Journal of the American Medical Association SP - 692 EP - 692 VL - 70 IS - 10 N2 - Few reactions that have found application in clinical medicine have been the subject of as much controversy within a short period of time as have those which are known as Abderhalden's tests for pregnancy, cancer, etc. These are based, it will be recalled, on the assumption that the introduction of foreign proteins of any kind into the circulation promptly leads to the appearance therein of specific protective enzymes which will digest the strange proteins or their derivatives, but will not split other proteins. The extraordinary power of the body to develop such special enzymes so readily and so rapidly has been the subject of much speculation. The analogy of an antitoxin arising as the result of the introduction of a toxin into the organism has often been commented on in this connection.The preponderance of the discussion has related to the alleged specific reaction in pregnancy, in which, according to SN - 0002-9955 M3 - doi: 10.1001/jama.1918.02600100030013 UR - http://dx.doi.org/10.1001/jama.1918.02600100030013 ER -