RT Journal
T1 CUrrent comment
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1949
FD October 1
VO 141
IS 5
SP 334
OP 334
DO 10.1001/jama.1949.02910050034012
UL http://dx.doi.org/10.1001/jama.1949.02910050034012
AB AMERICAN MEDICAL ASSOCIATION'S STORY IN LOOK MAGAZINE 
    The story of the American Medical Association in the October 11 issue of Look magazine will reach millions of readers. The article offers a concise, instructive presentation of the work of the Association and of its program and achievements. A better understanding of American medicine and of what can be obtained under independent and nonpolitical medical effort will be had by those who read Look's story.ESTROGENS AND CANCER 
    Numerous experiments have shown that estrogens exert a blastogenic effect in various species. Estrogens play an essential role in the development of cancer of the breast in male and female mice of cancersusceptible strains. A similar response can be elicited in rats subjected to prolonged treatment with estrogens. In guinea pigs myofibroma of the uterus develops following estrogen medication. Administration of estrogens elicits leukemia and tumors of the tcstis in