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2. Further evidence supporting a causal relationship between prone sleeping position and SIDS;Mitchell, E.A.; Ford, R.P.K.; Taylor, B.J.; Stewart, A.W.; Becroft, D.M.O.; Schragg, R.;J Paediatr Child Health,1992
3. Foundation for the Study of Infant Deaths. Research background for the advice to reduce the risk of cot death. News No 44,1993
4. Annual summary of vital statistics -;Wegman, M.E.;Pediatrics,1991
5. Can the fall in Avon's sudden infant death rate be explained by changes in the sleeping position?;Wigfield, R.E.; Fleming, P.J.; Berry, P.J.; Rudd, P.T.; Golding, J.;BMJ,1992