https://hmr.biomedcentral.com/articles/10.1007/BF01880276
https://hmr.biomedcentral.com/articles/10.1007/BF01880279
https://hmr.biomedcentral.com/articles/10.1007/BF01880280
https://hmr.biomedcentral.com/articles/10.1007/BF01880278
https://hmr.biomedcentral.com/articles/10.1007/BF01880277