1. Randomized controlled trial of acellular diphtheria, pertussis and tetanus vaccines in southern Ghana;Afari;Ann Trop Paediatr,1996
2. Placebo-controlled trial of two acellular pertussis vaccines in Sweden-protective efficacy and adverse events [published erratum appears in Lancet 1988 May 28;1(8596):1238];Lancet,1988
3. Acellular pertussis vaccines. Efficacy and evaluation of clinical case definitions;Blackwelder;Am J Dis Child,1991
4. [Protective effect of 2 acellular pertussis vaccines in a double-blind placebo controlled clinical trial] Skyddseffekten av tva acellulara kikhostevacciner i en dubbelblind placebokontrollerad klinisk provning;Kallings;Lakartidningen,1988
5. Invasive bacterial infections during an efficacy trial of acellular pertussis vaccines--implications for future surveillance in pertussis vaccine programmes;Olin;Tokai J Exp Clin Med,1988