論文（英文）
Hagiwara Y, Kawahara T, Shiroiwa T. What is a valid mapping algorithm in cost-utility analyses? A response from a missing data perspective. Value Health. https://doi.org/10.1016/j.jval.2020.03.020
Hagiwara Y, Kawahara T, Shiroiwa T. What is a valid mapping algorithm in cost-utility analyses? A response from a missing data perspective. Value Health. 2020;23:1218–1224.