https://hmr.biomedcentral.com/articles/10.1007/BF01626173
https://hmr.biomedcentral.com/articles/10.1007/BF01626175
https://hmr.biomedcentral.com/articles/10.1007/BF01626172
https://hmr.biomedcentral.com/articles/10.1007/BF01626174
https://hmr.biomedcentral.com/articles/10.1007/BF01626176