Whittle E, Roberton NR. Transverse myelitis after diphtheria, tetanus, and polio immunization. British Medical Journal 1977;1:1450.
Wiechers DO. New concepts of the reinnervated motor unit revealed by vaccine-associated poliomyelitis. Muscle Nerve 1988;11:356-364.
Wilson J, Robinson R. Poliomyelitis after contact with recently vaccinated infant (letter). British Medical Journal 1974;2:53.
Winner SJ, Evans G. Age-specific incidence of Guillain-Barré syndrome in Oxfordshire. Quarterly Journal of Medicine (New Series) 1990;77:1297-1304.
World Health Organization Consultative Group. The relation between acute persisting spinal paralysis and poliomyelitis vaccine: results of a ten-year enquiry. Bulletin of the World Health Organization 1982;60:231-242.
Wright PF, Hatch MH, Kasselberg AG, Lowry SP, Wadlington WB, Karzon DT. Vaccine-associated poliomyelitis in a child with sex-linked agammaglobulinemia. Journal of Pediatrics 1977;91:408-412.