@article{173, author = {M Levine and E Bergquist and D Nalin and D Waterman and R Hornick and C Young and S Sotman}, title = {Escherichia coli strains that cause diarrhoea but do not produce heat-labile or heat-stable enterotoxins and are non-invasive}, year = {1978}, journal = {Lancet.}, volume = {1}, pages = {8074}, language = {eng}, }