1. Returned medicines campaign in Birmingham 1977;Harris, D.W.; Karandiker, D.S.; Spencer, M.G.; Leach, R.H.; Bower, A.C.; Mander, G.A.;Lancet,1979
2. A controlled trial of a poison prevention method;Ferguson, B.A.; Harwood, C.J.; Beautrais, M.A.; Shannon, F.T.;Pediatrics,1982
3. Stress in families of children who have ingested poisons;Sibert, JR;Br Med J,1975
4. Prevention of childhood poisoning;Scherz, R.G.;Pediatr Clin North Am,1970
5. Effect of safety packaging on aspirin ingestion by children;Clarke, A.; Walton, W.W.;Pediatrics,1979