Authors: Halperin, SA Smith, B Russell, M Scheifele, D Mills, E Hasselback, P Pim, C Meekison, W Parker, R Lavigne, P Barreto, L

Citation: Sa. Halperin et al., Adult formulation of a five component acellular pertussis vaccine combinedwith diphtheria and tetanus toxoids and inactivated poliovirus vaccine is safe and immunogenic in adolescents and adults, PEDIAT INF, 19(4), 2000, pp. 276-283

Authors: Halperin, SA Scheifele, D Barreto, L Pim, C Guasparini, R Medd, L Meekison, W Eastwood, BJ

Citation: Sa. Halperin et al., Comparison of a fifth dose of a five-component acellular or a whole cell pertussis vaccine in children four to six years of age, PEDIAT INF, 18(9), 1999, pp. 772-779

Authors: Scheifele, DW Halperin, SA Guasparini, R Meekison, W Pim, C Barreto, L

Citation: Dw. Scheifele et al., Extended follow-up of antibody levels and antigen responsiveness after 2 Haemophilus influenzae type b conjugate vaccines, J PEDIAT, 135(2), 1999, pp. 240-245