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Selection Bias Associated with Contraceptive Practice in Time-to-Pregnancy Studies
DONNA DAY BAIRD, CLARICE R. WEINBERG, PAMELA SCHWINGL, ALLEN J. WILCOXVolume:
709
Année:
1994
Langue:
english
DOI:
10.1111/j.1749-6632.1994.tb30395.x
Fichier:
PDF, 627 KB
english, 1994