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Naaktgeboren, Christiana A; de Groot, Joris A H; Rutjes, Anne W S; Bossuyt, Patrick M M; Reitsma, Johannes B; Moons, Karel G M (2016). Anticipating missing reference standard data when planning diagnostic accuracy studies. BMJ, 352, i402. BMJ Publishing Group 10.1136/bmj.i402
de Groot, Joris A H; Bossuyt, Patrick M M; Reitsma, Johannes B; Rutjes, Anne W S; Dendukuri, Nandini; Janssen, Kristel J M; Moons, Karel G M (2011). Verification problems in diagnostic accuracy studies: consequences and solutions. BMJ, 343, d4770. London: BMJ Publishing Group 10.1136/bmj.d4770
