@article {l, title = {Escherichia coli strains that cause diarrhoea but do not produce heat-labile or heat-stable enterotoxins and are non-invasive}, journal = {Lancet}, volume = {1}, number = {8074}, year = {1978}, pages = {1119-1122}, url = {http://www.sciencedirect.com/science/article/pii/S0140673678902994}, author = {Levine, M. M. and others} }