1. The use of spiral loops in serological and virological micro-methods;Takatsy;Acta Microbiol Acad Sci Hung,1955
2. Application of a microtechnique to viral serologic investigations;Sever;J Immunol,1962
3. Automated microtransfer technique for the assay of poliovirus- and mumps virus-neutralizing antibodies;Mayner;Appl Microbiol,1974
4. Automated plate reader;McAleer,1978
5. A simple method of estimating fifty percent endpoints;Reed;Am J Hyg,1938