TY  - JOUR
T1  - Neoplastic diseases: A text-book on tumors.
Y1  - 1919/03/08
N1  - 10.1001/jama.1919.02610100058034
JO  - Journal of the American Medical Association
SP  - 750
EP  - 750
VL  - 72
IS  - 10
N2  - Since the very beginning of the study of tumors, the tendency has been to divide them into large groups or classes, and to regard representatives of the same group occurring in different places not merely as more or less closely related but as essentially identical and equivalent. We are in the habit of thinking of sarcoma as pretty much the same thing no matter what organ or tissue is involved primarily, and the same is true with regard to carcinoma and also other tumors. We have searched for one universal cause of cancer, and we speak commonly of the unknown cause of cancer as if there could be no question that malignancy is due to one definite, principal causative agent, which, of course, remains to be proved. In the efforts to devise simple, easily understood, and all-inclusive schemes for an orderly classification of tumors, the temptation naturally arises to subordinate
SN  - 0002-9955
M3  - doi: 10.1001/jama.1919.02610100058034
UR  - http://dx.doi.org/10.1001/jama.1919.02610100058034
ER  -