摘要：Variola virus was identified by means of a method involving the formation of microfoci on microplate cultures of HeLa cells. It was possible to distinguish between variola major and variola minor viruses within 48 h of receipt of the specimens by determining the temperature sensitivity of focus formation. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (857K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 495 496 497
