Authors: W N Rom; J E Lockey; J S Lee; A C Kimball; K M Bang; H Leaman; R E Johns; D Perrota; H L Gibbons Journal: Am J Public Health Date: 1984-11 Impact factor: 9.308
Authors: A G Davison; P L Haslam; B Corrin; I I Coutts; A Dewar; W D Riding; P R Studdy; A J Newman-Taylor Journal: Thorax Date: 1983-02 Impact factor: 9.139