Peng, M., Southern, D., Williamson, T., & Quan, H. (2017). Under-coding of secondary conditions in coded hospital health data: impact of co-existing conditions, death status and number of codes in a record: IJPDS (2017) Issue 1, Vol 1:038, Proceedings of the IPDLN Conference (August 2016). International Journal of Population Data Science, 1(1). https://doi.org/10.23889/ijpds.v1i1.55