As a result of the current Federal government funding situation, the information on this website may not be up to date or acted upon.
The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit https://cc.nih.gov.
Updates regarding government operating status and resumption of normal operations can be found at https://www.opm.gov.
|Title:||Re: Cancer incidence in Denmark following exposure to poliovirus vaccine contaminated with simian virus 40 - Response|
|Authors:||Engels EA, Frisch M|
|Journal:||J Natl Cancer Inst|
|Date:||2003 Aug 20|
|PMC ID:||not available|