https://hmr.biomedcentral.com/articles/10.1007/BF01997482
https://hmr.biomedcentral.com/articles/10.1007/BF01997481
https://hmr.biomedcentral.com/articles/10.1007/BF01997483
https://hmr.biomedcentral.com/articles/10.1007/BF01997485
https://hmr.biomedcentral.com/articles/10.1007/BF01997484
https://hmr.biomedcentral.com/articles/10.1007/BF01997486