@article{ ai-55-aHR0cHM6Ly93d3cuanN0b3Iub3JnL3N0YWJsZS8yNTMxNDQy, title = {Piecewise Comparison of Survival Functions in Stratified Proportional Hazards Models}, journal = {Biometrics}, volume = {46}, number = {2}, pages = {375-380}, author = {Kronborg, Dorte and Aaby, Peter}, publisher = {Biometric Society}, year = {1990}, issn = {0006-341X}, issn = {1541-0420}, language = {English}, url = {https://www.jstor.org/stable/2531442}, url = {https://katalog.skd.museum/Record/ai-55-aHR0cHM6Ly93d3cuanN0b3Iub3JnL3N0YWJsZS8yNTMxNDQy} }