1. Tetanus Prophylaxis and Therapy;Eckman,1963
2. Specific prophylaxis of tetanus;Edsall;J.A.M.A.,1959
3. Uses and results of active tetanus immunization;Scheibel;Bull. World Health Org.,1955
4. Delayed recall of tetanus antibodies;Robles;Am. J. Surg.,1967