%0 Journal Article %T Increased risk of ischaemic heart disease in shift workers. %A Knutsson, A %A Akerstedt, T %A Jonsson, B G %A Orth-Gomer, K %J The Lancet %V 2 %N 8498 %P 89-92 %@ 0140-6736 %D 1986-08-11 %~ DeepDyve