Concepedia

The Effectiveness of the Cervical Cap as a Contraceptive Method

Christopher Tietze, Falls Church, Hans Lehfeldt, Heike Liebmann

American Journal of Obstetrics and Gynecology · 1953 · 20 citations · 4 references

DOI

Concepts

References

4

Time Required for Conception in 1727 Planned Pregnancies

Christopher Tietze, Alan F. Guttmacher, Samuel Rubin · Fertility and Sterility · 1950 · 91 citations

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The 1947 Year Book of Obstetrics and Gynecology

Journal of the American Medical Association · 1948 · 44 citations

, , +7

The Practice of Contraception

Margaret Sanger, Hannah M. Stone, Robert L. Dickinson · The American Journal of the Medical Sciences · 1932 · 30 citations

, , +10

CONTRACEPTION IN PRIVATE PRACTICE

Lovett Dewees · Journal of the American Medical Association · 1938 · 10 citations

, , +13