Passage of steroids through silicone rubber.
D000818:Animals; D004971:Estrus / Q000187:drug effects*; D005260:Female; D066298:In Vitro Techniques; D010539:Permeability; D011247:Pregnancy; D011372:Progestins / Q000378:metabolism*; D012408:Rubber; D012756:Sheep; D012828:Silicones; D013053:Spectrophotometry
D011372:Progestins; D012828:Silicones; D012408:Rubber