(Q67513856)
Statements
Immunogenicity of combined diphtheria, tetanus, and pertussis vaccine given at 2, 3, and 4 months versus 3, 5, and 9 months of age (English)
R. Booy
S. J. Aitken
S. Taylor
G. Tudor-Williams
J. A. Macfarlane
L. A. Ashworth
R. T. Mayon-White
H. Griffiths
H. M. Chapel
1 February 1992
29 February 1992