https://hmr.biomedcentral.com/articles/10.1007/BF01997519
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https://hmr.biomedcentral.com/articles/10.1007/BF01997524
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https://hmr.biomedcentral.com/articles/10.1007/BF01997521
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https://hmr.biomedcentral.com/articles/10.1007/BF01997520
https://hmr.biomedcentral.com/articles/10.1007/BF01997522
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