@article {Chen:Crai:cox:2009,
	title = {Cox Models With Smooth Functional Effect of Covariates Measured With Error},
	journal = {Journal of the American Statistical Association},
	volume = {104},
	number = {487},
	year = {2009},
	pages = {1144{\textendash}1154},
	keywords = {Measurement error, Smoothing, Survival analysis},
	author = {Cheng, Yu-Jen and Crainiceanu, C}
}
@article {Caff:Crai:Deng:Hend:case:2008,
	title = {A Case Study in Pharmacologic Colon Imaging Using Principal Curves in Single-Photon Emission Computed Tomography},
	journal = {Journal of the American Statistical Association},
	volume = {103},
	number = {484},
	year = {2008},
	pages = {1470{\textendash}1480},
	keywords = {Curve fitting, medical imaging, Pharmacology, Smoothing, SPECT},
	author = {Caffo, B and Crainiceanu, C and Deng, Lijuan and Hendrix, C}
}
@article {Crai:Rupp:Clae:Wand:exac:2005,
	title = {Exact Likelihood Ratio Tests for Penalised Splines},
	journal = {Biometrika},
	volume = {92},
	number = {1},
	year = {2005},
	pages = {91{\textendash}103},
	keywords = {Linear mixed model, Penalised spline, Smoothing, Zero variance component},
	author = {Crainiceanu, C and Ruppert, D. and Claeskens, Gerda and Wand, M. P.}
}
