%0 Journal Article %A A E TATTERSFIELD %T Crofton and Douglas's respiratory diseases, 5th edition %D 2001 %R 10.1136/oem.58.2.137a %J Occupational and Environmental Medicine %P 137-137 %V 58 %N 2 %U https://oem.bmj.com/content/oemed/58/2/137.2.full.pdf