DOI: 10.1055/s-00000161

The Journal of Knee Surgery

References

Greenland S.
Randomization, statistics, and causal inference.

Epidemiology 1990;
1 (06) 421-429

Greenland S.
Randomization, statistics, and causal inference.

Epidemiology 1990;
1 (06) 421-429

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