DOI: 10.1055/s-00000022

Das Gesundheitswesen

References

Schafer JL, Graham JW.
Missing data: Our view of the state of the art.

Psychol Methods 2002;
7: 147-177

Schafer JL, Graham JW.
Missing data: Our view of the state of the art.

Psychol Methods 2002;
7: 147-177

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