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2. British Medical;Editorial. Infection in the nursery,;Journal,1970
3. Resistance of the breastfed infant to gastroenteritis;Bullen, C.L.; Willis, A.T.;British Medical Journal,1971
4. Iron-binding protein in milk and resistance to Escherichia coli infection in infants;Bullen, J.J.; Rogers, H.J.; Leigh, L.;British Medical Journal,1972
5. Coliform bacteraemia in infants;Conn, N.K.;Scottish Medical Journal,1969