To cite package ‘MRAPSS’ in publications use: HU X (2024). _MRAPSS: The MRAPSS package implement the MR-APPSS approach to test for the causal effect of an exposure on a outcome disease._. R package version 0.0.0.9000, . A BibTeX entry for LaTeX users is @Manual{, title = {MRAPSS: The MRAPSS package implement the MR-APPSS approach to test for the causal effect of an exposure on a outcome disease.}, author = {Xianghong HU}, year = {2024}, note = {R package version 0.0.0.9000}, url = {https://github.com/yanglabhkust/mr-apss}, }