TY - JOUR AU - M Levine AU - E Bergquist AU - D Nalin AU - D Waterman AU - R Hornick AU - C Young AU - S Sotman BT - Lancet. LA - eng PY - 1978 EP - 8074 T2 - Lancet. TI - Escherichia coli strains that cause diarrhoea but do not produce heat-labile or heat-stable enterotoxins and are non-invasive VL - 1 ER -