DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Peduzzi PN, Concato J, Holford TR. , et al.
Importance of events per independent variable in proportional hazards regression analysis. II. Accuracy and precision of regression estimates.

J Clin Epidemiol 1995;
48 (12) 1503-1510

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