1. Isolation of a new virus from a child with an influenzalike disease;Birkum;Dan. Med. Bull.,1958
2. Birkum , Petersen Knud Unpublished data
3. Association of a new type of cytopathogenic myxo-virus with infantile croup;Chanock;J. Exper. Med.,1956
4. Newly recognized myxo viruses from children with respiratory disease;Chanock;N. Engl. J. Med.,1958
5. Human tumor cells in tissue culture;Fjelde;Cancer,1955