https://hmr.biomedcentral.com/articles/10.1007/BF01611203
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https://hmr.biomedcentral.com/articles/10.1007/BF01611206
https://hmr.biomedcentral.com/articles/10.1007/BF01611196
https://hmr.biomedcentral.com/articles/10.1007/BF01611198
https://hmr.biomedcentral.com/articles/10.1007/BF01611201
https://hmr.biomedcentral.com/articles/10.1007/BF01611205
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https://hmr.biomedcentral.com/articles/10.1007/BF01611199
https://hmr.biomedcentral.com/articles/10.1007/BF01611202
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