TY  - RPRT
TI  - Designing a study for evaluating a protocol for the selective performance of preoperative tests.
AU  - Y Charpak
AU  - C Bléry
AU  - C Chastang
DO  - 10.1002/sim.4780060712
UR  - https://pubmed.ncbi.nlm.nih.gov/3423503/
ID  - 3423503
ER  -