M F G Murphy
M F G Murphy
1Imperial Cancer Research Fund, General Practice Research Group, Institute of Health Sciences, Old Road, Headington, Oxford OX3 7LF, UK
1,
D Whiteman
D Whiteman
1Imperial Cancer Research Fund, General Practice Research Group, Institute of Health Sciences, Old Road, Headington, Oxford OX3 7LF, UK
1,
K Hey
K Hey
1Imperial Cancer Research Fund, General Practice Research Group, Institute of Health Sciences, Old Road, Headington, Oxford OX3 7LF, UK
1,
M Griffith
M Griffith
2Unit of Health-Care Epidemiology, University of Oxford, Institute of Health Sciences, Old Road, Headington, Oxford OX3 7LF, UK
2,
L Gill
L Gill
2Unit of Health-Care Epidemiology, University of Oxford, Institute of Health Sciences, Old Road, Headington, Oxford OX3 7LF, UK
2,
M J Goldacre
M J Goldacre
2Unit of Health-Care Epidemiology, University of Oxford, Institute of Health Sciences, Old Road, Headington, Oxford OX3 7LF, UK
2,
T J Vincent
T J Vincent
3Childhood Cancer Research Group, University of Oxford, 57 Woodstock Road, Oxford OX2 6HJ, UK
3,
K Bunch
K Bunch
3Childhood Cancer Research Group, University of Oxford, 57 Woodstock Road, Oxford OX2 6HJ, UK
3
1Imperial Cancer Research Fund, General Practice Research Group, Institute of Health Sciences, Old Road, Headington, Oxford OX3 7LF, UK
2Unit of Health-Care Epidemiology, University of Oxford, Institute of Health Sciences, Old Road, Headington, Oxford OX3 7LF, UK
3Childhood Cancer Research Group, University of Oxford, 57 Woodstock Road, Oxford OX2 6HJ, UK
Received 2000 Sep 12; Revised 2001 Feb 26; Accepted 2001 Feb 28.
Copyright © 2001 Cancer Research Campaign
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