@article {LeGu2010ijbio,
	title = {Impact of outcome model misspecification on regression and doubly-robust inverse probability weighting to estimate causal effect},
	journal = {International Journal of Biostatistics},
	volume = {6},
	year = {2010},
	pages = {issue 2 article 15},
	doi = {10.2202/1557-4679.1207},
	author = {Lefebvre, G. and Gustafson, P.}
}
