@misc{indiciae52f79aa74ed6, title = {Modelling non-ignorable missing-data mechanisms with item response theory models.}, author = {Rebecca Holman and Cees A W Glas}, year = {2005}, doi = {10.1348/000711005x47168}, url = {https://pubmed.ncbi.nlm.nih.gov/15969835/}, note = {Source identifier: 15969835} }