https://www-users.york.ac.uk/~mb55/datasets/pefr.dct - The D'arbela mean velocity of circumferential fibre shortening dataset from Martin Bland's website
https://www-users.york.ac.uk/~mb55/datasets/datasets.htm - Martin Bland's example data-set webpage
Bland JM, Altman DG. (1986) Statistical methods for assessing agreement between two methods of clinical measurement. Lancet i, 307-310.