1. Adverse events following immunization;Dittmann,1990
2. Monitoring of side effects of adverse events following immunization;Dittmann,1990
3. Adverse events following immunization: assessing probability of causation;Fenichel;Pediatr. Neurol.,1989
4. Survey to establish the incidence of minor side effects in infants following protective immunization;Floyd;J. R. Coll. Gen. Pract.,1989