1. Zhang Y, Song M (2013). "Deciphering interactions in causal networks without parametric assumptions." _arXiv Molecular Networks_, arXiv:1311.2707. .
2. Nguyen HH, Zhong H, Song M (2020). "Optimality, accuracy, and efficiency of an exact functional test." In _Proceedings of the Twenty-Ninth International Joint Conference on Artificial Intelligence, IJCAI-20_, 2683-2689. .
3. Zhong H, Song M (2019). "A fast exact functional test for directional association and cancer biology applications." _IEEE/ACM Transactions on Computational Biology and Bioinformatics_, *16*(3), 818-826. .
4. Sharma R, Kumar S, Zhong H, Song M (2017). "Simulating noisy, nonparametric, and multivariate discrete patterns." _The R Journal_, *9*(2), 366-377. .
5. Zhong H, Song M (2019b). "Directional association test reveals high-quality putative cancer driver biomarkers including noncoding RNAs." _BMC Med Genomics_, *12*(7), 129. .