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Drs Hughes, Norval, and Howie comment |
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| Authors: | R Hughes M Norval S Howie |
| Affiliation: | The Simpson Memorial Maternity Pavilion, Lauriston Place, Edinburgh EH3 9YW;Department of Bacteriology, University of Edinburgh Medical School, Teviot Place, Edinburgh EH8 9AG |
| Abstract: | |
| Keywords: | |