Permfoam
A new principle in contraception
PermFoam
A New Principle in the Control of Contraception
Personal hygiene for women
Practical Birth Control
Authors
Ettie A. Rout
Pesquisa nacional sobre saúde materno
Infantil e planejamento familiar Brasil - 1986
Authors
José Maria Arruda, Naomi Rutenberg, Leo Morris
Pages
234
Pessar
Paten 818236
Pages
3
Pessar
Patent 134013
Authors
Alexander von Fekete
Pages
2
Pessar
Patent 140016
Authors
Leon Kolb
Pages
2