1. Aliferis CE, Statnikov A, Tsamardinos I, Mani S, Koutsoukos XS. Local causal and markov blanket induction for causal discovery and feature selection for classification part I: algorithms and empirical evaluation. J Mach Learn Res. 2010;11:171–234.
2. Angrist JD, Imbens GW, Rubin DB. Identification of causal effects using instrumental variables. J Am Stat Assoc. 1996;91(434):444–55.
3. Apte JS, Marshall JD, Cohen AJ, Brauer M. Addressing global mortality from ambient PM2.5. Environ Sci Technol. 2015;49(13):8057–66.
4. Baiocchi M, Cheng J, Small DS. Instrumental variable methods for causal inference. Stat Med. 2014;33(13):2297–340.
5. Bareinboim E, Pearl J (2013) Meta-transportability of causal effects: a formal approach. In: Proceedings of the Sixteenth International Conference on Artificial Intelligence and Statistics