M. Parzen, Stuart R. Lipsitz, Richard D. Metters, Garrett M. Fitzmaurice. Correlation when data are missing. JORS, 61(6):1049-1056, 2010. [doi]
@article{ParzenLMF10,
title = {Correlation when data are missing},
author = {M. Parzen and Stuart R. Lipsitz and Richard D. Metters and Garrett M. Fitzmaurice},
year = {2010},
doi = {10.1057/jors.2009.49},
url = {http://dx.doi.org/10.1057/jors.2009.49},
researchr = {https://researchr.org/publication/ParzenLMF10},
cites = {0},
citedby = {0},
journal = {JORS},
volume = {61},
number = {6},
pages = {1049-1056},
}