Weiss, N. S., Daling, J. R., & Chow, W. H. (1985). Control definition in case-control studies of ectopic pregnancy.
Chicago Style aipamenaWeiss, N S., J R. Daling, and W H. Chow. Control Definition in Case-control Studies of Ectopic Pregnancy. 1985.
MLA aipamenaWeiss, N S., J R. Daling, and W H. Chow. Control Definition in Case-control Studies of Ectopic Pregnancy. 1985.
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