J. Stevenson Logan, Anne M. Field, A. D. Macrae, Ann Miller, J. O'h. Tobin
Logan J S, Field A M, Macrae A D, Miller A, Tobin J O.
Persistence of Antibody in Children After a Third Dose of Poliomyelitis Vaccine and Their Response to a Fourth
Br Med J 1960; 1 :1692
doi:10.1136/bmj.1.5187.1692