The following publications are possibly variants of this publication:
- A SAS macro for estimation of direct adjusted survival curves based on a stratified Cox regression modelXu Zhang, Fausto R. Loberiza, John P. Klein, Mei-Jie Zhang. cmpb, 88(2):95-101, 2007. [doi]
- Erratum to A SAS macro for estimation of direct adjusted survival curves based on a stratified Cox regression model [Computer Methods and Programs in Biomedicine 88 (2007) 95-101]Xu Zhang, Fausto R. Loberiza, John P. Klein, Mei-Jie Zhang. cmpb, 89(3):313-314, 2008. [doi]
- SAS macros for estimation of direct adjusted cumulative incidence curves under proportional subdistribution hazards modelsXu Zhang, Mei-Jie Zhang. cmpb, 101(1):87-93, 2011. [doi]