DescripciónHoward Skipper, from Southern Research Institute in Birmingham, Alabama cropped.jpg	English: Howard Skipper, now retired from Southern Research Institute in Birmingham, Alabama, explained how chemotherapy could work.
Fecha	25 de enero de 2012, 22:07 (UTC)
Fuente	Este archivo deriva de: Howard Skipper, from Southern Research Institute in Birmingham, Alabama.jpg:
Autor	Howard_Skipper,_from_Southern_Research_Institute_in_Birmingham,_Alabama.jpg: National Cancer Institute (NCI) derivative work: Jan Arkesteijn (talk)

Esta es una imagen retocada, lo que significa que ha sido alterada digitalmente de su versión original. Modificaciones: cropped. La original se puede ver aquí: Howard Skipper, from Southern Research Institute in Birmingham, Alabama.jpg. Las modificaciones las hizo Jan Arkesteijn.

	This image is a work of the National Institutes of Health, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain. Please ensure that this image was actually created by the US Federal government. The NIH frequently uses commercial images which are not public domain.
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• File:Howard_Skipper,_from_Southern_Research_Institute_in_Birmingham,_Alabama.jpg licensed with PD-USGov-NIH
  • 2012-01-24T19:01:15Z Jan Arkesteijn 2700x1800 (1903264 Bytes) {{Information |Description ={{en|1=Howard Skipper, now retired from Southern Research Institute in Birmingham, Alabama, explained how chemotherapy could work.}} |Source =[http://visualsonline.cancer.gov/details.cfm

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