N. S. Galbraith, G. Crosby, Joan M. Barnes, Rayna Fernandes
Galbraith N S, Crosby G, Barnes J M, Fernandes R.
Simultaneous Immunization with B.C.G., Diphtheria-tetanus, and Oral Poliomyelitis Vaccines in Children Aged 13-14
Br Med J 1971; 2 :193
doi:10.1136/bmj.2.5755.193