Daniels, M. J., & Zhao, Y. D. (2003). Modelling the random effects covariance matrix in longitudinal data. Statistics in medicine, 22(10), 1631-1647. https://doi.org/10.1002/sim.1470
Chicago Style (17th ed.) CitationDaniels, Michael J., and Yan D. Zhao. "Modelling the Random Effects Covariance Matrix in Longitudinal Data." Statistics in Medicine 22, no. 10 (2003): 1631-1647. https://doi.org/10.1002/sim.1470.
MLA (9th ed.) CitationDaniels, Michael J., and Yan D. Zhao. "Modelling the Random Effects Covariance Matrix in Longitudinal Data." Statistics in Medicine, vol. 22, no. 10, 2003, pp. 1631-1647, https://doi.org/10.1002/sim.1470.
Warning: These citations may not always be 100% accurate.