@article{Neugebauer2006a,
	title = {Causal effects in longitudinal studies: Definition and maximum likelihood estimation},
	author = {Romain Neugebauer and Mark J. van der Laan},
	day = {01},
	journal = {Computational Statistics \& Data Analysis},
	month = {Dec},
	number = {3},
	pages = {1664--1675},
	url = {http://www.sciencedirect.com/science/article/B6V8V-4KCH9VG-1/1/890571a76d80f6cec49291f40d5302da},
	volume = {51},
	year = {2006},
	biburl = {http://www.bibsonomy.org/bibtex/286b50db53344f59ce27b528408a08ebe/smicha},
	keywords = {Causal inference }
}