1. The Antigenic Potency of Non-Infectious Poliomyelitis Virus as Determined by Its Liberating Effect on Active Virus Neutralized by Immune Serum;Krech;J. Exper. Med.,1955
2. The Determination of Antigenic Potency of Poliomyelitis Vaccine by Measuring its Antibody-Combining Capacity;Krech;Bull. Wld. Hlth. Org.,1960
3. Use of Vinyl Plastic Containers in Tissue Cultures for Virus Assays;Rightsel;J. Immunol.,1956
4. Neutralizing-Antibody-Combining (NAC) Test for Measuring Antigenic Potency of Poliomyelitis Vaccine;Benyesh-Melnick;Bull. Wld. Hlth. Org.,1959
5. Potency of Inactivated Poliovirus Vaccines. An In Vitro Method for Assay of Antibody Combining Capacity;Melén;Arch. ges. Virusforsch.,1959