维基百科,自由的百科全书
Normal (left) versus cancerous (right) mammography image.
Courtesy of the National Cancer Institute. http://history.nih.gov/exhibits/genetics/sect2.htm
|
This image is in the public domain because it contains materials that originally came from the National Institutes for Health.
Please ensure that this image was actually created by the US Federal government, the NIH frequently uses commercial images which are not public domain. Email the source site if it is not clearly stated that this specific work is in the public domain. |
图像链接
以下页面链接到本图像: