New design rigid and soft vacuum extractor cups: a preliminary comparison of traction forces.

Autor: HOFMEYR, G. JUSTUS, GOBETZ, LAWRENCE, SONNENDECKER, ERNST W. W., TURNER, MARTIN J.
Zdroj: BJOG: An International Journal of Obstetrics & Gynaecology; 1990, Vol. 97 Issue 8, p681-685, 5p
Databáze: Complementary Index
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