1. History of Poliomyelitis;Paul,1971
2. Mikroscopische präparate von einem menschlichen und zwei affenrückemarken;Landsteiner;Wien Klin Wschr,1908
3. Cultivation of the Lansing strain of poliomyelitis virus in cultures of various human embryonic tissue;Enders;Science,1949
4. Differentiation of three types of poliomyelitis virus. III. The grouping of fourteen strains into three immunological types;Bodian;Am J Hyg,1949
5. Studies in human subjects on active immunization against poliomyelitis. I. A preliminary report of experiments in progress;Salk;JAMA,1953