References
- Samuels P, Marshall E. Checking normality for parametric tests in SPSS. n.d. [accessed 27 January 2021]. https://www.sheffield.ac.uk/polopoly_fs/1.579181!/file/stcp-marshallsamuels-NormalityS.pdf
- Bewick V, Cheek L, Ball J. Statistics review 12: survival analysis. Crit Care. 2004;8(5):389–94. doi:https://doi.org/10.1186/cc2955.