Gilbert Dalldorf und Grace M. Sickles: An Unidentified, Filtrable Agent Isolated From the Feces of Children With Paralysis. In: Science (New York, N.Y.). Band108, Nr.2794, 16. Juli 1948, S.61–62, doi:10.1126/science.108.2794.61, PMID 17777513.
Gilbert Dalldorf und Grace M. Sickles: A virus recovered from the feces of poliomyelitis patients pathogenic for suckling mice. In: The Journal of Experimental Medicine. Band89, Nr.6, 1. Juni 1949, S.567–582, doi:10.1084/jem.89.6.567, PMID 18144319, PMC 2135891 (freier Volltext).
Gilbert Dalldorf und Grace M. Sickles: An Unidentified, Filtrable Agent Isolated From the Feces of Children With Paralysis. In: Science (New York, N.Y.). Band108, Nr.2794, 16. Juli 1948, S.61–62, doi:10.1126/science.108.2794.61, PMID 17777513.
Gilbert Dalldorf und Grace M. Sickles: A virus recovered from the feces of poliomyelitis patients pathogenic for suckling mice. In: The Journal of Experimental Medicine. Band89, Nr.6, 1. Juni 1949, S.567–582, doi:10.1084/jem.89.6.567, PMID 18144319, PMC 2135891 (freier Volltext).